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This mock test of Physics Topic-wise Test - 12 for NEET helps you for every NEET entrance exam.
This contains 45 Multiple Choice Questions for NEET Physics Topic-wise Test - 12 (mcq) to study with solutions a complete question bank.
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QUESTION: 1

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QUESTION: 2

Given that where a = constant. Using dimensional analysis, the value of n is

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QUESTION: 3

Determine the length of the copper wire which breaks under its own weight when suspended vertically from one end. Breaking stress for copper = 2.45 x 10^{8} N/m^{2} and density of copper = 8600 kg/m^{3}.

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QUESTION: 4

if and are two unit vectors inclined at an angle 60^{0} to each other then

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QUESTION: 5

Figure shows two holes in a wide tank containing a liquid column. The water streams coming out of these holes strike the ground at the same point. The height of liquid column in the tank is

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QUESTION: 6

A train passes an electric post in 8 seconds and a bridge of length 1km in 108 seconds. The speed of the engine is

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QUESTION: 7

A vessel containing water is given a constant acceleration ‘a’ towards the right along a straight horizontal path. Which of the following diagrams in figure represents the surface of the liquid?

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QUESTION: 8

The negineer of a train moving at a speed V_{1} sights a freight train a distance d ahead of him on the same track moving in the same direction with a slow speed V_{2}. He puts on the brakes and gives his train a constant deceleration α.Then there will be no collision if

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QUESTION: 9

A ball is thrown up with a certain velocity at an angle θ to the horizontal. The kinetic energy K.E. of the ball varies with horizontal displacement x as

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QUESTION: 10

Tow particles of same mass are projected from same place with same velocity u, such that their ranges are same. If h_{1} and h_{2} are the maximum heights attained by them then the relation between h_{1},h_{2} and R will be

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QUESTION: 11

Which one of the following is constant projectile motion

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QUESTION: 12

Sixty four spherical rain drops of equal size are falling vertically through air with a terminal velocity 1.5 ms^{-1}.If these drops coalesce to form a big spherical drop, then terminal velocity of big drop is

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QUESTION: 13

A dynamometer D is attached to two bodies of masses M= 6kg and m= 4 kg. Forces F=20N and f =10N are applied to the masses as shown.The dynamometer reads

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QUESTION: 14

A man of weight 80 kg is standing in an elevator which is moving with an acceleration of 6 m/s^{2 }upward direction. The apparent weight of the man will be (g =m/s^{2 })

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QUESTION: 15

If a body is placed on another body which is accelerating by an external force then work done by frictional force on the upper body relative to ground is

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QUESTION: 16

Given that the displacement of the body in meter is a function of time as follows x = 2t^{4 }+5 The mass of the body is 2 kg. What is the increase in its kinetic energy one second after the start of motion?

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QUESTION: 17

The work done by pseudo force is

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QUESTION: 18

A pump can hoist 9000 kg of coal per hour from a mine of 120 m deep. Then the power in watts, assuming that its efficiency is 75% is

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QUESTION: 19

A particle of mass m is suspended from a fixed point O by a string of length l.At t = 0, it is displaced from equilibrium position and released . The graph, which shows the variation of the tension T in the string with time â€˜tâ€™, may be

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QUESTION: 20

Let a_{r} and a_{t} represent radial and tangential acceleration. The motion of a particle may be circular if

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QUESTION: 21

A stone is attached to one end of a string and rotated in a vertical circle. If string breaks at the position of maximum tension, it will break at

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QUESTION: 22

Two vehicles of equal masses are moving with same speed v on two roads inclined at an angle θ. They collide inelasitically at the junction and then move together. The speed of the combination is

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QUESTION: 23

A rod is of length 3 m and its mass per unit length is directly proportional to the distance x from its one end.The ceter of gravity of the rod from that end will be at

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QUESTION: 24

A force is acting at a point The value of a for which angular momentum is conserved as

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QUESTION: 25

Two disc one of density 7.2 g/cm^{3} and the other of density 8.9 gm/cm^{3} , are of same mass and thickness. Their moments of inertia are in the ratio

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QUESTION: 26

An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min then the torque produced is

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QUESTION: 27

The angular velocity of the wheel increases from 1200 to 4500 rev per min in 10 seconds. Then the number of revolutions made during this time is

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QUESTION: 28

A spherical shell is cut into two pieces along a chord as shown in figure. If I denote the gravitational field strength, then for points P and Q

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QUESTION: 29

The plane of the orbit of an earth satelite

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QUESTION: 30

The period of the satellite of the earth orbiting very...................T^{0}. What is the period of the geostationary satellite in term of T^{0}?

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QUESTION: 31

A particle is projected vertically upwards from the surface of earth (radius R_{e})with a kinetic energy equal to half of the minimum value needed for it to escape. The height to which it rise above the surface of earth is

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QUESTION: 32

A particle undergoing SHM has the equation : x = A sin(ωt + φ) where x represents the displacement of the particle. The kinetic energy (K.E.) oscillates with the time period

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QUESTION: 33

Which of the following quantities is always negative in a SHM ?

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QUESTION: 34

The velocities of three molecules are 3v, 4v and 5 v respecitvely. Their rms speed will be

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QUESTION: 35

Two mole of argon are mixed with one mole of hydrogen, the C_{p}/C_{v } for the mixture is nearly

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QUESTION: 36

The rms speed of a certain gas is v at 400 K. The temperature at which the rms speed become two times, will be

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QUESTION: 37

Starting with the same inital conditions, an ideal gas expands from volume V_{1} to V_{2} in three different ways. The work done by the gas is W_{1} if the process is isothermal, W_{2} if isobaric and W_{3} if adiabatic, then

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QUESTION: 38

In a cyclic process shown in the figure an ideal gas is adibatically taken from B to A, the work done on the gas during the process B A is 30 J, when the gas is taken from A B. the heat absorbed by the gas is 20 J. The change in internal energy of the gas in the process A B is

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QUESTION: 39

A cyclic process ABCD is shown in the figure P-V diagram. Which of the following curves represent the same process ?

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QUESTION: 40

For isothermal expansion of a perfect gas, the value of is equal to

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QUESTION: 41

The maximum wavelength of radiation emitted at 900K is 4μm. The maximum wavelength of radiation emitted at 1200 K, will be

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QUESTION: 42

The fundamental frequency of a vibrating organ pipe is 100 Hz. Select the wrong alternative

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QUESTION: 43

On producing the waves of frequency 1000 Hz in a Kundtâ€™s tube, the total distance between 6 successive nodes is 85 cm. Speed of sound in the gas filled in the tube is

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QUESTION: 44

The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is 0.5π. The velocity of wave will be

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QUESTION: 45

The equation of a progressive wave is y = 0.3 sin(314 t - 1.57x) the velocity of the wave

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