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

Quantity that remains unchanged in a transformer is

Question # 2

The contrast in the fringes in any interference pattern depends on

Question # 3

Blood has a density

Question # 4

In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be

Question # 5

The magnetic moment of a circular coil carrying current is

Question # 6

In which of the following states does the incandescent substance give continuous spectrum?

Question # 7

The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV?

Question # 8

A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Question # 9

Which of the following is a scalar quantity?

Question # 10

A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?

Question # 11

The force between two charges 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

Question # 12

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:

Question # 13

When we apply reverse bias to a junction diode, it

Question # 14

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

Question # 15

In which case application of angular velocity is useful?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
3 All of the following statements are correct except
A. The total focal length of astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can increases by decreasing the focal length of the eyepiece
D. The magnifying power of the refracting type of astronomical telescope is the ratio of the focal length of the objective to that of the eye piece
4 Copper and germanium are cooled to 70K from room temperature, then
A. Resistance of copper increases while that of germanium decreases
B. Resistance of copper decreases while that of germanium increases
C. Resistance of both decreases
D. Resistance of both increases
5 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
6 In a simple harmonic motion (SHM), which of the following does not hold?
A. To force on the particle is maximum at the ends
B. The acceleration in minimum at the mean position
C. The potential energy is maximum at the mean position
D. The kinetic energy is maximum at the mean position
7 What remains constant in the field of central force?
A. Potential energy
B. Kinetic energy
C. Angular momentum
D. Linear momentum
8 To explain his theory Bohr used
A. Conservation of linear momentum
B. Conservation of angular momentum
C. Conservation of quantum frequency
D. Conservation of energy
9 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
A. K two fold, U also two fold
B. K four fold, U also four fold
C. K four fold, U two fold
D. K two fold, U four fold
10 A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes
A. 2R
B. 4R
C. 16R
D. Zero

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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