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

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 # 2

A man pushes a wall but fails to displace it. He does:

Question # 3

The part of a transistor which is heavily doped to produce large number of majority carriers is

Question # 4

With the increase of temperature viscosity

Question # 5

According to Stoke's law, drag force depends on

Question # 6

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 7

A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be

Question # 8

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 # 9

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 10

Two sources of sound are said to be coherent if

Question # 11

Bernoulli's equation is based upon law of conservation

Question # 12

In a simple harmonic motion (SHM), which of the following does not hold?

Question # 13

The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

Question # 14

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is

Question # 15

Which of the following four statement is false?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8 m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
2 A particle is moving in a uniform magnetic filed, then
A. its momentum changes but total energy remains the same
B. Both momentum and total energy remains the same
C. Both changes
D. Total energy change but momentum remains
3 Band spectrum is produced by
A. H
B. He
C. H2
D. Na
4 Absolute temperature can be calculated by
A. Mean square velocity
B. Motion of the molecule
C. Both A and B
D. None of these
5 The sieman is the SI unit of
A. Resistance
B. Specific Resistance
C. Conductance
D. Inductance
6 Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is
A. 0°
B. 60°
C. 120°
D. 180°
7 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
8 A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is
A. Less
B. Greater
C. Equal
D. Cannot be concluded
9 A wire is stretched to double of its length. The strain is
A. 2
B. 1
C. zero
D. 0.5
10 In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be
A. 60 x 10-4cm
B. 10 x 10-4cm
C. 10 x 10-5cm
D. 6 x 10-5cm

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