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Elimination of bromine from \( 2- \) bromobutane results in the formation of: A. Equimolar mixture of 1 and \( 2- \) butane B. Predominantly - 2 - butene c. Predominantly \( -1- \) butene D. Predominantly2 - butyne
1
Chemistry
Steroid nucleus contains: A. Two cyclohexane and two cyclopentane rings B. Three cyclohexane and two cylopentane rings c. Four cyclohexane rings only D. Three cyclohexane and one cyclopentane rings
1
Chemistry
A stone of mass \( m \) tied to one end of a wire of length \( L \). The diameter of the wire is \( D \) and it is suspended vertically. The stone is now rotated in a horizontal plane and makes an angle \( \theta \) with the vertical. If Young's modulus of the wire is \( Y, \) then the increase in the length of the wire is then \( ^{\mathbf{A}} \cdot \frac{4 m g L}{\pi D^{2} Y} \) B. \( \frac{4 m g L}{\pi D^{2} Y \sin \theta} \) c. \( \frac{4 m g L}{\pi D^{2} Y \cos \theta} \) D. \( \frac{4 m g L}{\pi D^{2} Y \tan \theta} \)
3
Physics
During a cytological study conducted on the chromosomes of insects, it was observed that only \( 50 \% \) of the sperms had a specific structure after spermatogenesis. Name the structure and write its significance in sex determination of insects.
0
Biology
Which is the first open university in India? A. Andhra Pradesh Open University B. Yashwantrao Chavan Maharashtra Open University C. Indira Gandhi National Open University D. Nalanda Open University
3
Physics
(a) Construct a complete transcription unit with promoter and terminator on the basis of the hypothetical template strand given below: (b) Write the RNA strand transcribed from the above transcription unit along with its polarity.
0
Biology
Which of the following compounds is/are gives red or violet solution when treated with neutral ferric chloride solution.
1
Chemistry
Which of the following play significant role in depletion of ozone layer? A. Oxides of nitrogen B. Oxides of carbon c. oxides of sulphur D. None of these
1
Chemistry
Can a traingle have A \( \cdot 55^{\circ}, 55^{\circ} \) and \( 80^{\circ} \) B . \( 33^{\circ}, 74^{\circ} \) and \( 73^{\circ} \) c. \( 85^{\circ}, 95^{\circ} \) and \( 22^{\circ} \) D. \( 25^{\circ}, 95^{\circ} \) and \( 32^{\circ} \)
3
Physics
Which term of an A.P \( 7,3,-1, \ldots \) is \( -89 ? \)
2
Maths
The temperature of equal masses of three different liquids \( A, B \) and \( C \) are \( 12^{\circ} \mathrm{C}, 19^{\circ} \mathrm{C} \) and \( 28^{\circ} \mathrm{C} \) respectively. The temperature when \( A \) and \( B \) are mixed is \( 16^{\circ} \mathrm{C} \) and when \( \mathrm{B} \) and \( \mathrm{C} \) are mixed it is \( 23^{\circ} \mathrm{C} . \) What should be the temperature when \( A \) and \( C \) are mixed? A \( \cdot 20.25^{\circ} \mathrm{C} \) В. \( 15.87^{\circ} \mathrm{C} \) \( \mathbf{c} \cdot 25^{\circ} C \) D. \( 30^{\circ} \mathrm{C} \)
3
Physics
When a big drop of water is formed from \( n \) small drops of water, the energy loss is \( 3 E, \) where \( E \) is the energy of the bigger drop. If \( R \) is the radius of the bigger drop and \( r \) is the radius of the smaller drop, then number of smaller drops \( (n) \) is: A \( \cdot \frac{4 R}{r^{2}} \) в. \( \frac{4 R}{r} \) c. \( \frac{2 R^{2}}{r} \) D. \( \frac{4 R^{2}}{r^{2}} \)
3
Physics
An oxide which forms salts when it reacts with both acids and alkali is : A . acidic oxide B. basic oxide c. amphoteric oxide D. none of the above
1
Chemistry
Evaluate the following integral: \( \int \frac{\sin 2 x}{(a+b \cos 2 x)^{2}} d x \)
2
Maths
How many grams of each of the following elements must be taken to get mole of the element? A) Sodium B) Sulphur C) Copper
1
Chemistry
Cell reaction is spontaneous when : A. G is negative B. G is positive c. E is positive D. E is negative
1
Chemistry
Which of the following is/are electromagnetic wave(s)? A. Microwaves B. Radio wave c. Infrared radiation D. All of the above
3
Physics
Assertion Newton's law of gravitation resembles Coulomb's law of electrical forces. Reason Coulomb's law has the product of two charges in place of the product of the masses, and the electrostatic constant in place of the gravitational constant. A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion c. Assertion is correct but Reason is incorrect D. Both Assertion and Reason are incorrect
3
Physics
How many minimum carbons required for Chain isomerism and Position isomerism in alkenes?
1
Chemistry
Among the following mixtures, dipoledipole as the major interaction, is present in A. Benzene and ethanol B. Acetonitrile and acetone C. KCl and water D. Benzene and carbon tetrachloride
1
Chemistry
Show that \( 3 e^{x} \tan y d x+(1- \) \( \left.e^{x}\right) \sec ^{2} y d y=0 \)
2
Maths
Explain rocket propulsion.
3
Physics
Dalton based his relative atomic weight scale on: A. hydrogen B. oxygen c. helium D. lithium E. carbon
1
Chemistry
In the system, \( C a F_{2}(s) \rightleftharpoons \) \( C a^{+2}(a q)+2 F^{-} \) increasing the concentration of \( C a^{2+} \) ions four times will cause the equilibrium concentration of \( \boldsymbol{F}^{-} \) ions to change to times the initial value. A . 4 B. \( \frac{1}{2} \) \( c \cdot 2 \) D.
1
Chemistry
\( (C-C l) \) bond in \( C H_{2}=C H-C l \) (vinyl chloride) is stabilised in the same way as in: A. benzyl chloride B. benzoyl chloride c. chlorobenzene D. allyl chloride
1
Chemistry
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3
Physics
A square lawn is surrounded by a path \( 2.5 m \) wide. If the are of path is \( 165 m^{2} \) find the area of the lawn
2
Maths
The force \( F \) which is applied to \( 1 k g \) block initially at rest varies linearly with time as shown in the figure. Find velocity of the block at \( t=4 s \) A \( .100 \mathrm{m} / \mathrm{s} \) B. \( 200 \mathrm{m} / \mathrm{s} \) \( c \cdot 20 m / s \) D. \( 4 m / s \)
3
Physics
The radii of two of the first four Bohr orbits of the hydrogen atom are in the ratio \( 1: 4 . \) The energy difference between them may be A. either \( 12.09 e V \) or \( 3.4 e V \) B. either \( 2.55 e V \) or \( 10.2 e V \) c. either \( 13.6 e V \) or \( 3.4 e V \) D. either \( 3.4 e V \) or \( 0.85 e V \)
1
Chemistry
What is electric field intensity at any point on the axis of a charged rod of length ' \( L \) ' and linear charge density' \( \lambda \) '? The point is separated from the nearer end by a.
3
Physics
A particle is moving in a circular path of radius a under the action of an attractive potential \( U=-\frac{K}{2 r^{2}} . \) Its total energy is
3
Physics
Solve \( \mathbf{7}(\boldsymbol{x}-\mathbf{2})=\mathbf{4 9} \)
2
Maths
The difference between simple interest and compound interest at yearly intervals, on Rs. 3000 for 2 years at \( 6 \% \) is A . Rs. 20.80 B. Rs. 15.80 c. Rs. 10.80 D. Rs. 9.80
2
Maths
Which of the following is a state of matter? A. Quark-gluon plasma B. Quantum spin liquid c. superfluid D. All of above
1
Chemistry
Initially a body is a rest. If its acceleration is \( 5 m s^{-2} \) then the distance travelled in the \( 18^{t h} \) second is: \( \mathbf{A} \cdot 86.6 m \) B. \( 87.5 m \) \( c .88 m \) D. \( 89 m \)
3
Physics
There is a fixed potential difference between the two ends of a potentiometer. Two cells are connected in series in such a way that in one arrangement they help each other where as in the second arrangement they oppose each other. The balance point for these two combinations is obtained at \( 120 \mathrm{cm} \) and \( 60 \mathrm{cm} \) length respectively. The ratio of the emf of the cell is: A \( \cdot 2: \) B. 3: \( c \cdot 1: 1 \) D. 4:
3
Physics
toppr Q Type your question_ spool has mass \( m \), edge radius \( K \) and is wound up to a radius \( r, \) its moment of inertia about its own axis is \( \boldsymbol{I} \). The free end of the thread is attached as shown in figure. So that the thread is parallel to the inclined plane. \( T \) is the tension in the thread. Which of the following is correct? This question has multiple correct options A. The linear acceleration of the spool axis down the slope is \( \frac{m g \sin \theta-T}{m} \) B. Angular accelerations is \( \frac{T r}{2 I} \) C. The linear acceleration of the spool axis down the plane is \( \frac{T r^{2}}{I} \) D. The acceleration of the spool axis down the slope is \( \frac{\frac{1}{1} \theta}{m r^{2}} \)
3
Physics
Subtract the following algebraic expressions. \( -4 g \) from \( -10 g \) \( A \cdot 6 g \) B. - -14g c. \( -6 g \) D. 148
2
Maths
When two bodies collide, they each other. A. Push B. Pull c. Moves towards D. All
3
Physics
Anhydrous magnesium chloride is obtained by heating the hydrated salt with dry A. HCl. в. Nacı \( c \cdot \) both D. none
1
Chemistry
2-Methylpropane on monochlorination under photochemical condition gives: A. 2 -Chloro-2-methylpropane as major product. B. (1:1) Mixture of 1-chloro-2-methylpropane and 2chloro-2-methylpropane. C. 1 -Chloro-2-methylpropane as major product D. (1:9) Mixture of 1-chloro-2-methylpropane and 2chloro-2-methylpropane.
1
Chemistry
To measure the radius of the drop Millikan used \( _{-1-}- \) law of freely falling drops. A. Poiseuille's B. Ostwald's c. Brewester's D. stoke's
3
Physics
The centroid of Tetraheadron (3,4,5),(2,5,9),(5,2,8),(2,5,2)
2
Maths
If \( \boldsymbol{A}=\left[\begin{array}{ll}\mathbf{3} & \mathbf{7} \\ \mathbf{2} & \mathbf{5}\end{array}\right] \) and \( \boldsymbol{B}=\left[\begin{array}{cc}-\mathbf{3} & \mathbf{2} \\ \mathbf{4} & -\mathbf{1}\end{array}\right] \) find the \( \boldsymbol{A}+\boldsymbol{B} \)
2
Maths
If \( \sin \theta=\frac{1}{2}, \) show that \( (3 \cos \theta- \) \( \left.4 \cos ^{3} \theta\right)=0 \)
2
Maths
Observe the experimental sets \( [A] \) and \( [\boldsymbol{B}] \) Observe the test tube \( A \) and \( B \). From the list given below, choose the combination of response of shoot and root that are observed in \( B \) A. Positive phototropism and positive geotropism B. Negative phototropism and positive geotropism C. Positive phototropism and negative geotropism D. Only negative phototropism
0
Biology
The odour of phosphorus pentoxide is: A. garlic B. sour C. pungent D. none of these
1
Chemistry
One side of a parallelogram is \( 8 \mathrm{cm} . \) If the corresponding altitude is \( 6 \mathrm{cm}, \) then its area is given by A \( \cdot 24 \mathrm{cm}^{2} \) B. \( 36 \mathrm{cm}^{2} \) c. \( 40 \mathrm{cm}^{2} \) D. \( 48 \mathrm{cm}^{2} \)
2
Maths
A Pitot tube (Shown in figure above) is mounted along the axis of a gas pipeline whose cross-sectional area is equal to \( S \). Assuming the viscosity to be negligible, the volume of gas flowing across the section of the pipe per unit time, if the difference in the liquid columns is equal to \( \Delta h, \) and the densities of the liquid and the gas are \( \rho_{0} \) and \( \rho \) respectively is \( Q= \) \( \boldsymbol{S} \sqrt{\frac{\boldsymbol{x} \boldsymbol{\Delta} \boldsymbol{h} \boldsymbol{\rho}_{0} \boldsymbol{g}}{\boldsymbol{\rho}}} . \) Find the value of \( \boldsymbol{x} \)
3
Physics
Which of the following reactions shows reducing nature of \( \boldsymbol{H}_{2} \boldsymbol{O}_{2} ? \) A. \( P b S+4 H_{2} O_{2} \rightarrow P b S O_{4}+4 H_{2} O \) B. \( A g_{2} O+H_{2} O_{2} \rightarrow 2 A g+H_{2} O+O_{2} \) c. \( 2 H C H O+H_{2} O_{2} \rightarrow 2 H C O O H+H_{2} O \) D. \( N a_{2} S O_{3}+H_{2} O_{2} \rightarrow N a_{2} S O_{4}+H_{2} O \)
1
Chemistry
Identify the differentiate between leucoplasts and chromoplasts. A. Leucoplasts- colourless plastids, chromoplasts coloured plastids B. Leucoplasts- coloured plastids, chromoplasts colourless plastids c. Leucoplasts- help in storage of food, chromoplasts help in photosynthesis, pollination D. Both A and C
0
Biology
If \( \boldsymbol{A}+\boldsymbol{B}+\boldsymbol{C}=\boldsymbol{\pi}, \) then prove the following \( \sin 2 A+\sin 2 B+\sin 2 C= \) \( 4 \sin A \cdot \sin B \cdot \sin C \)
2
Maths
The small aerating pores seen on cork layer of woody stem are A . Guard cells B. Subsidiary cells c. Trichomes D. Lenticels
0
Biology
A solid sphere is rolling purely on a rough horizontal surface with speed of center \( u=12 \mathrm{m} / \mathrm{s} . \) It collides inelastically with a smooth vertical wall at a certain moment, the coefficient of restitution being \( \frac{1}{2} . \) How long (in sec) after the collision, the sphere will begin pure rolling? [coefficient of friction between the sphere and the ground is \( \frac{3}{35} \) A . 16 B . 12 \( c .6 \) D. 13
3
Physics
In gaseous discharge tube,the colour of light emitted by helium is: A. yellow B. red c. blue D. green
1
Chemistry
The number of bijection that can be defined from \( \boldsymbol{A}=\{1,2,8,9\} \) to \( \boldsymbol{B}= \) \{3,4,5,10\} is \( \mathbf{A} \cdot 4^{4} \) B \( \cdot 4^{2} \) \( c \cdot 24 \) D. 18
2
Maths
Which block of the periodic table contains elements with the general electronic configuration? \( (n-2) f^{1-14}(n-1) d^{0-1} n s^{2} \) A. s-block B. p-block c. d-block D. f-block
1
Chemistry
For polynomial \( \boldsymbol{P}(\boldsymbol{x})=\mathbf{6} \boldsymbol{x}^{\mathbf{3}}+\mathbf{2} \mathbf{9} \boldsymbol{x}^{\mathbf{2}}+ \) \( \mathbf{4 4} \boldsymbol{x}+\mathbf{2 1}, \) find \( \mathbf{P}(-\mathbf{2}) \)
2
Maths
Solve the following equations. \( \sqrt{3}-\tan x=\tan \left(\frac{\pi}{4}-x\right) \)
2
Maths
Prove that \( \log _{2} 3 \) is an irrational number.
2
Maths
Methanol and acetone can be separated by: A. Fractional distillation B. Distillation c. Steam distillation D. Vacuum distillation
1
Chemistry
Find the arithmetic mean of first 10 natural numbers. A . 55 в. 550 \( c .5 .5 \) D. None of the above
2
Maths
Which of the following is a polyamide? A. Teflon в. Nylon -6,6 c. Terylene D. Bakelite
1
Chemistry
A force-time graph for the motion of a body is shown in figure. Change in linear momentum between 0 and 8 s is: A. zero B. 4 N-s \( c \cdot 8 \) Ns D. None
3
Physics
The common ratio of \( \mathrm{GP} \mathbf{4}, \mathbf{8}, \mathbf{1 6}, \mathbf{3 2}, \dots . \) is \( A \cdot 2 \) B. 3 \( c \cdot 4 \) \( D \)
2
Maths
Which type of organisms are called as pathogens? A. The organisms which cause a disease. B. The organisms which cause weakness. C. The organisms which cause an infection. D. none of these
1
Chemistry
\( \boldsymbol{C a} \boldsymbol{C O}_{3}(\boldsymbol{s}) \rightleftharpoons \boldsymbol{C a O}(\boldsymbol{s})+\boldsymbol{C O}_{2}(\boldsymbol{g}), \boldsymbol{K}= \) \( 10^{-9} \) at \( 300 K . \) The value of \( p_{c o_{2}} \) is \( 10^{-x} \) \( x \) is
1
Chemistry
Rational numbers are closed under substraction. A. True B. False c. Cannot be determined D. None
2
Maths
Let \( f(x) \) be a function in [0,5] such that \( \boldsymbol{f}^{2}(\boldsymbol{x})=\mathbf{1} \forall \boldsymbol{x} \in[\mathbf{0}, \mathbf{5}] \) and \( \boldsymbol{f}(\boldsymbol{x}) \) is discontinuous at all integers in \( [\mathbf{0}, \mathbf{5}] \) Find total number of fuctions.
2
Maths
Three square with the same center and corresponding parallel sides are drawn. The distance between the the sides of successive square is 3 and the side length of the largest square is \( 22, \) as shown. what is the perimeter of the smallest square? A . 40 B. 100 c. 10 D. 64 E. 20
2
Maths
A body of mass \( 2 k g \) initially at rest moves under the action of an applied horizontal force of \( 7 N \) on a table with coefficient of kinetic friction \( =\mathbf{0 . 1} \) Compute the Work done by the applied force in \( 10 s \) в. \( 890 J \) c. \( 1000 J \) D. \( 5000 J \)
3
Physics
Which of the following is/are true? This question has multiple correct options A. Van der Waals forces are responsible for the formation of molecular crystals B. Branching lowers the boiling points of isomeric organic compounds due to decrease in van der Waals forces of attraction. C. In graphite, van der Waals forces act between the carbon layers. D. In diamond, van der Waals forces act between the carbon layers.
1
Chemistry
Taxonomical aids are helping hands of taxonomy, and two of them functions for ex-situ conservation strategy, these are? A. Botanical garden and herbarium B. Zoological parks and museums c. zoological parks and botanical gardens D. Museums and botanical gardens
0
Biology
The minimum speed of wind necessary for the satisfactory working of a wind generator to produce electricity is about: A. \( 15 \mathrm{km} / \mathrm{h} \) B. 20 \( \mathrm{m} / \mathrm{h} \) \( c \cdot 12 m / s \) D. \( 50 \mathrm{km} / \mathrm{h} \)
3
Physics
What is the special technique used for separation and identification of the constituents in the mixture?
1
Chemistry
In a particular experiment, a gas undergoes adiabatic expansion satisfying the equation \( V T^{3} \) =constant. The ration of specific heats, \( \boldsymbol{Y} \) is: A . 4 B. 3 \( c \cdot \frac{5}{3} \) D.
3
Physics
Find out the current in the circuit shown above. (Assume the diode used in the circuit is ideal) A. \( 20 \mathrm{mA} \) B. 200 mA c. \( 0.2 \mathrm{A} \) D. \( 40 \mathrm{A} \)
3
Physics
If \( M(x, y) \) is equidistant from \( A(a+ \) \( b, b-a) \) and \( B(a-b, a+b), \) then A. \( b x+a y=0 \) В. \( b x-a y=0 \) \( \mathbf{c} \cdot a x+b y=0 \) D. \( a x-b y=0 \)
2
Maths
\( \boldsymbol{T}_{50} \) (Half-life period) of first - order reaction is 10 minute. Starting with \( 10 m o l L^{-1}, \) rate after 20 minute is : A \( \cdot 0.0693 m o l L^{-1} \min ^{-1} \) В. \( 0.0693 \times 2.5 \) molL\( ^{-1} \) min \( ^{-1} \) \( \mathbf{c} \cdot 0.0693 \times 5 m o l L^{-1} \min ^{-1} \) D. \( 0.0693 \times 10 \) molL\( ^{-1} \) min \( ^{-1} \)
1
Chemistry
The \( p H \) of a solution which is \( 0.1 M \) sodium acetate and \( 0.01 M \) acetic acid \( \left(p K_{a}=4.74\right) \) would be: A . 4.2 B. 5.1 \( c .5 .74 \) D. None of these
1
Chemistry
In a vacuum diode, the space around the cathode which is filled with electrons, is called A. space charge B. electric field c. magnetic field D. electron cloud
3
Physics
When sulphur dioxide is passed in an acidified \( K_{2} C r_{2} O_{7} \) solution, the oxidation state of sulphur is changed from: A . +4 to 0 B. +4 to +2 \( \mathbf{c} \cdot+4 \) to +6 D. +6 to +4
1
Chemistry
The rate constant of a first order reaction is 0.0693 min\( ^{-1} \) Time (in minutes) required for reducing an initial concentration of 20 mol \( l i t^{-1} \) to 2.5 mol \( l i t^{-1} \) is : A . 40 B. 30 c. 20 D. 10
1
Chemistry
When the light is very bright, then: A. Iris makes pupil expand B. Iris makes pupil contract C. Iris and pupil remain as they are D. None of these
3
Physics
In which of the following process the system and surrounding comes back to its original state after the process is complete? A. Quasi-static Process B. Reversible process c. Both a and \( b \) D. Isobaric process
3
Physics
If the ratio of the masses of two plane what will be the ratio of their accelera
3
Physics
Translocation of organic materials is best explained by A. Active transport B. Transpiration pull c. Imbition theory D. Mass flow hypothesis
0
Biology
The solution showing positive deviation from ideal behaviour has azeotrope. A. negative B. positive c. neutral D. ideal
1
Chemistry
\( \int\left(\frac{4 e^{x}-25}{2 e^{x}-5}\right) d x=A x+ \) \( \boldsymbol{B} \log \left|\mathbf{2} e^{x}-\mathbf{5}\right|+\boldsymbol{c}, \) then A. \( A=5, B=3 \) В. \( A=5, B=-3 \) \( \mathbf{c} \cdot A=-5, B=3 \) D. \( A=-5, B=-3 \)
2
Maths
Why defects in the myelin sheath is dangerous? A. Action potentials would be conducted too slowly along the neurons B. Muscles would not contract when stimulated C. The thyroid gland would not be able to produce thyroxine D. The bone tissue would not be properly maintained
0
Biology
A conducting square loop of side \( L \) and resistance \( R \) moves in it's plane with a uniform velocity \( v \) perpendicular to one of it's sides. A magnetic induction \( B \) constant in time and space, pointing perpendicular to and into the plane of the loop exists everywhere. The current induced in the loop is A \( \cdot \frac{B L v}{R}, \) clockwise B. \( \frac{B L v}{2 R} \) clockwise c. \( \frac{2 B L v}{2 R} \) anticlockwise D. zero
3
Physics
An object of mass ' \( m \) ' is kept on a horizontal platform. The platform is oscillating vertically with amplitude ' \( a \) ' and period 'T". The weight of object at lowest position is: A \( . m g+m a \omega^{2} \) B. \( m a \omega^{2} \) \( \mathrm{c} \cdot m g \) D. \( m g-m a \omega^{2} \)
3
Physics
Which end of the inductor, \( a \) or \( b \), is at a higher potential?
3
Physics
Assertion Extraction of gold from its native ore involves leaching the metal ore with dilute solution of NaCN in presence of air. Reason This is an oxidation reaction and leads to the formation of a soluble complex. A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion C. Assertion is correct but Reason is incorrect D. Assertion is incorrect but Reason is correct
1
Chemistry
A wire carrying current \( i \) has the configuration shown in the figure. Two semi-infinite straight sections, each tangent to the same circle, are connected by a circular arc, of angle \( \boldsymbol{\theta} \) along the circumference of the circle, with all sections lying in the same plane. What must \( \theta \) (in rad) be in order for \( B \) to be zero at the center of the circle?
3
Physics
Light propagates \( 2 \mathrm{cm} \) distance in glass of refractive index 1.5 in time \( t_{0} \) In the same time \( t_{0}, \) light propagates a distance of \( 2.25 \mathrm{cm} \) in a medium. The refractive index of the medium is : A \( .4 / 3 \) B. \( 3 / 2 \) \( c \cdot 8 / 3 \) D. none of these
3
Physics
The correct chemical formula for ammonium phosphate is: A. \( N_{2} H_{6} P O_{4} \) в. \( \left(N H_{3}\right)_{3} P O_{4} \) \( \mathrm{c} \cdot\left(\mathrm{NH}_{4}\right)_{3} \mathrm{PO}_{4} \) D. \( \left(N H_{4}\right)_{2} P O_{4} \)
1
Chemistry
Solve: \( \lim _{u \rightarrow 1} \frac{\sqrt{u^{2}+8}}{\sqrt{u^{2}+3}}-\frac{\sqrt{10-u^{2}}}{\sqrt{5-u^{2}}} \)
2
Maths
Assertion G-phase is also called anaphase, as during this phase the cell stores ATP for cell division. Reason Cell produces structural and functional proteins. Cell's metabolic rate is high and is controlled by the enzymes. A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion c. Assertion is incorrect but Reason is correct D. Both Assertion and Reason are incorrect
0
Biology
n figure , one car is at rest and velocity of light from head light is \( C \), then velocity of light from head light for the moving car at velocity v,would be
3
Physics