NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

Try The MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

Steel is preferred for making springs over copper. Why?

Question # 2

The dimensional formula of torque is:

Question # 3

The nuclear model of atom was proposed by

Question # 4

As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1, the kinetic energy K and potential energy U change as

Question # 5

A wire is stretched to double of its length. The strain is

Question # 6

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 7

Absolute temperature can be calculated by

Question # 8

The incorrect statement regarding the lines of force of the magnetic field B is

Question # 9

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 10

Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)

Question # 11

Blood has a density

Question # 12

A moving charge will gain energy due to the application of

Question # 13

Which of the following is the only vector quantity?

Question # 14

Which of the following sources give discrete emission spectrum?

Question # 15

If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
2 A force of 10N is acting along y-axis. Its component along x-axis is
A. 10N
B. 20N
C. 100N
D. Zero N
3 Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)
A. 3.2 x 10-21 J
B. 3.2 x 10-19 J
C. 7 x 10-25 J
D. 9 x 10-32 J
4 The twinkling of stars is due to
A. The fact that stars do not emit light continuously
B. The refractive index of the earth's atmosphere fluctuate
C. Intermittent absorption of star light by its own atmosphere
D. None of these
5 A conducting wire is drawn to double its length. Final resistivity of the material will be
A. Double of the original one
B. Half of the original one
C. One-fourth of the original one
D. Same as original one
6 A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m
7 The mass of a proton is 1847 times that of an electron. An electron and a proton are projected into a uniform electric field in a direction at right angles to the direction of the field with the same initial kinetic energy.The
A. Both the trajectories will be equally curved
B. The proton trajectory will be less curved than the electron trajectory
C. The electron trajectory will be less curved than the proton trajectory
D. The relative curving of the trajectories will be dependent on the value of the initial kinetic energy
8 To make the frequency double of an oscillator, we have to
A. Double the mass
B. Half the mass
C. Quadruple the mass
D. Reduce the mass to one fourth
9 A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:
A. 50 m
B. 12.5 m
C. 25 m
D. 10 m
10 In which case application of angular velocity is useful?
A. When a body is rotating
B. When velocity of body is in a straight line
C. When velocity is in a straight line
D. None of these

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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