NEET Physics Chapter Wise Mock Test – Mock Test 2

NEET Physics Chapter Wise Mock Test – Mock Test 2

Question 1:
An electric fan is placed on a stationary boat and air is blown with it on the sail of the boat. Which of the following statements is correct?
(a) The boat will be uniformly accelerated in the direction of the flow of the air
(b) The boat will start moving with uniform speed
(c) The boat will be uniformly accelerated opposite to the direction of flow of air
(d) The boat will remain stationary as before

Question 2:
Correct set up to verify Ohm’s law is

Question 3:

Question 4:
The potential energy U between two atoms in a diatomic molecule as a function of the distance x between atoms has been shown in the adjoining figure. The atoms are

(a)attracted when x lies between A and 6 and arerepelled when x lies-between B and C
(b) attracted when x lies between B and C and are repelled when x lies between A and B
(c) attracted when they reach B
(d) repelled when they reach B

Question 5:

Question 6:

Question 7:

Question 8:

Question 9:
Which of the four resistances P, 0, R and S generate the greatest amount of heat, when a current flows from AtoP?

(a) Q
(b)S
(c)P
(d)R

Question 10:
A charge Q is uniformly distributed over a large square plate of copper. The electric field at a point very close to the centre of the plate is 10 Vm”1. If the copper plate is replaced by a plastic plate of the same geometrical dimensions and carrying the same charge O uniformly distributed, then the electric field at the point Pwill be

Question 11:
A piece of wire of resistance R is cut into n equal parts. These parts are then connected in parallel. If the equivalent resistance of the parallel combination is R’, then (R/R’) is

Question 12:
Ice starts freezing in a lake with water at 0°C, when the
atmospheric temperature is -10°C. If the time taken for 1 cm of ice to be formed is 12 min the time taken for the thickness of the ice to change from 1 cm to 2 cm will be •
(a) 12 min
(b) less than 12 min
(c) more than 12 min but less than 24 min
(d) more than 24 min

Question 13:

Question 14:
A beam of light consisting of red, green and blue colours, is incident on a right-angled prism. The refractive indices of the material of the prism for the above red, green and blue wavelengths are 1.39, 1.44 and 1.47, respectively. The prism will
(a) separate part of the red colour from the green and blue colours
(b) separate part of the blue colour from the red and green colours
(c) separate all the three colours from one another
(d) not separate even partially any colour from the other two colours

Question 15:

Question 16:

Question 17:

Question 18:
The plot given below is of the average power delivered to an L-R-C circuit versus The quality factor of the circuit is

(a)5.0
(b) 2.0
(c)2.5
(d)0.4

Question 19:

Question 20:
In non-resonant circuit, what will be the nature of the circuit for frequencies higher than the resonant frequency?
(a) Resistive
(b) Capacitive
(c) Inductive
(d) None of these

Question 21:

Question 22:
The maximum height attained by a projectile is increased by 5%. Keeping the angle of projection constant, what is the percentage increase in horizontal range?
(a) 5%
(b) 10%
(c) 15%
(d) 2Q%

Question 23:

Question 24:

Question 25:
A rectangular loop of x wire, supporting a x mass m, hangs with x one end in uniform x magnetic field B pointing out of the plane of the paper. A clockwise current is setup, such that i>mg I Ba, where a is the width of the loop. Then,

(a) the weight rises due to vertical force caused by the magnetic field but work is done on the system
(b) the weight rises due to vertical force by the no work field and work is extracted shown on the electric field
(c) the weight rises due to vertical force caused by the magnetic field but no work is done on the system
(d) the weight rises due to vertical force caused by the no work field and work is extracted shown on the magnetic field

Question 26:

Question 27:

Question 28:

Question 29:

Question 30:

Question 31:

Question 32:

Question 33:
Which of the following statements is/are true?
(a) A clock, when taken on a mountain can be made to give correct time, if we change the length of pendulum suitably
(b) An increase in value of g makes a clock go slow
(c) If the length of a pendulum is increased, the clock becomes fast
(d) A clock, when taken to a deep mine or carried to the top of a mountain becomes slow

Question 34:

Question 35:

Question 36:

Question 37:

(a) 412.5 Hz
(b) 312.6 Hz
(c) 500 Hz
(d) 616.6 Hz

Question 38:
A dip needle arranged to move freely in the magnetic meridian dips by an angle 6. If the vertical plane in which the needle moves is rotated through an angle a to the magnetic meridian, then the needle will dip by an angle
(a) 9
(b) a
(c) more thane
(d) less than θ

Question 39:

(a)  Figure (1) forms primary rainbow
(b)  Figure (1) and (3) form primary rainbow
(c)  Figure (2) forms secondary rainbow
(d)  Figure (1) forms secondary rainbow

Question 40:
A table tennis ball which has been covered with a conducting paint is suspended by a silk thread, so that it hangs between two metal plates. One plate is earthed. When the other plate is connected to a high voltage generator, the ball
(a) is attracted to the high voltage plate and stays there
(b) hangs without mpving
(c) swings backward and forward hitting each plate in turn
(d) is repelled to the earthed plate and stays there

Question 41:

Question 42:

(a) Same in all processes
(b) Iscbaric process
(c) Isothermal proqess
(d) Adiabatic process

Question 43:

Question 44:

Question 45:
For a transistor amplifier, the voltage gain
(a) remains constant for all frequencies
(b) is high at high and low frequencies and constant in the middle frequency range
(c) is low at high and low frequencies and constant at mid-frequencies
(d) None of the above

Answers:

Hints and Solutions 

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