NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

The nuclear model of atom was proposed by

Question # 2

All of the following statements are correct except

Question # 3

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of

Question # 4

A prism splits a beam of white light into its seven constituent colors. This is so because

Question # 5

In Which case does the potential energy decreases?

Question # 6

A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched without breaking?

Question # 7

Choose the correct statement

Question # 8

Centre of mass is a point

Question # 9

The motion without consideration of its cause is studied in

Question # 10

The contrast in the fringes in any interference pattern depends on

Question # 11

The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be

Question # 12

According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to

Question # 13

Surface tension of water is due to

Question # 14

A particle moves along a circular path under the action of a force. The work done by the force is

Question # 15

The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be
A. 6.66 J
B. 15 J
C. 22.5 J
D. 45 J
2 The modulus of rigidity of a liquid is
A. Zero
B. 1
C. Infinity
D. A value not one of those mentioned above
3 Centre of mass is a point
A. Which is geometric centre of a body
B. From which distance of particles are same
C. Where the whole mass of the body is supposed to be centered
D. Which is the origin of reference frame
4 In Which case does the potential energy decreases?
A. On compressing a spring
B. On stretching a spring
C. One moving a body against gravitational force
D. One the rising of an air bubble in water
5 Energy is stored in the choke coil in the form of
A. Heat
B. Magnetic energy
C. Electric energy
D. Electro-magnetic energy
6 A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:
A. q = Q/4
B. q = Q/2
C. q = Q
D. None of these
7 A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is
A. Equal to unity
B. Equal to 1.33
C. Between unity and 1.33
D. Greater than 1.33
8 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C
9 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. Calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
10 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity

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