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

The motion without consideration of its cause is studied in

Question # 2

In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is

Question # 3

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 # 4

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

Question # 5

When n-type of semiconductor is heated

Question # 6

At constant volume temperature is increased. Then

Question # 7

When the length of a microscope tube increase, its magnifying power

Question # 8

Band spectrum is produced by

Question # 9

In case of p-n junction diode, at high value of reverse bias, the current rises sharply. The value of reverse bias is known as:

Question # 10

Ball pen function on the principle of

Question # 11

Which of the following is a scalar quantity?

Question # 12

The smooth or steady stream-line flow is know as

Question # 13

Surface tension of water is due to

Question # 14

In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion

Question # 15

A capacitor acts as an infinite resistance for

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Energy is stored in the choke coil in the form of
A. Heat
B. Magnetic energy
C. Electric energy
D. Electro-magnetic energy
2 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
3 A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:
A. 1310 W
B. 670 W
C. 810 W
D. 1210 W
4 There are discrete energy levels in atoms. It was first experimentally demonstrated by
A. Rutherford's experiment
B. Franck Hertz experiment
C. Marsden's experiment
D. Somerfield experiment
5 The length of a telescope is 36 cm. The focal lengths of its lenses can be
A. 30 cm, 6 cm
B. -30 cm, -6 cm
C. 30 cm, -6cm
D. -30cm, 6cm
6 The volt/metre is the unit of:
A. Potential
B. Work
C. Force
D. Electric field intensity
7 The structure of solids is investigated by using
A. Cosmic Rays
B. X-rays
C. Intra red Radiation
D. γ-rays
8 A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot flies at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to
A. 12 s
B. 8 s
C. 15 s
D. 10 s
9 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
10 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these

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