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

Choose the correct statement

Question # 2

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

Question # 3

A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:

Question # 4

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

Question # 5

When sound waves travel from air to water which of these remains constant?

Question # 6

Huygen's wave theory of light cannot explain

Question # 7

A photoelectric cell coverts

Question # 8

Blood has a density

Question # 9

The motion without consideration of its cause is studied in

Question # 10

In Which case does the potential energy decreases?

Question # 11

Which of the modulus of elasticity is involved in compression a rod to decrease its length?

Question # 12

A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is

Question # 13

The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Question # 14

Boyle's law is applicable in

Question # 15

With the increase of temperature viscosity

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90°with the force of the smaller magnitude, then their magnitudes are:
A. 3, 15
B. 4, 14
C. 5, 13
D. 6, 12
2 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
3 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
4 Light appears to travel in straight lines since
A. It is not absorbed by the atmosphere
B. It is reflected by the atmosphere
C. Its wavelength is very small
D. Its velocity is very large
5 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
6 An object is placed at a distance of f/2 from a convex lens. The image will be
A. At one of the foci, virtual and double its size
B. At, 3f/2, real and inverted
C. At 2f, virtual and erect
D. At f, real and inverted
7 Angular momentum is
A. Vector (axial)
B. Vector (polar)
C. Scalar
D. None of these
8 A voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be
A. 2000 ohm
B. 4000 ohm
C. 6000 ohm
D. 8000 ohm
9 Which of the modulus of elasticity is involved in compression a rod to decrease its length?
A. Young's modulus
B. Bulk modulus
C. Modulus of rigidity
D. None of the above
10 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

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