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

The contrast in the fringes in any interference pattern depends on

Question # 2

At 0°K which of the following properties of a gas will be zero?

Question # 3

Planck's constant has the dimensions of:

Question # 4

A p-n junction has a thickness of the order of:

Question # 5

According to Stoke's law, drag force depends on

Question # 6

When we apply reverse bias to a junction diode, it

Question # 7

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

Question # 8

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 9

Bernoulli's equation is based upon law of conservation

Question # 10

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

Question # 11

Which of the following is the only vector quantity?

Question # 12

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

Question # 13

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

Question # 14

A moving charge will gain energy due to the application of

Question # 15

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 Which one of the following phenomena is not explained by Hugen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of sepectra
3 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
4 The modulus of rigidity of a liquid is
A. Zero
B. 1
C. Infinity
D. A value not one of those mentioned above
5 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
6 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
7 Planck's constant has the dimensions of:
A. Energy
B. Momentum
C. Frequency
D. Angular momentum
8 A piece of fuse wire melts when a current of 15 ampere flows through it.
With this current, if it dissipates 22.5 W, the resistance of fuse wire will be
A. Zero
B. 10 ohm
C. 1 ohm
D. 0.10 ohm
9 The structure of solids is investigated by using
A. Cosmic Rays
B. X-rays
C. Intra red Radiation
D. γ-rays
10 Centre of mass is a point
A. Which is geometric centre of a body
B. From which distance of particles are same
C. Where the whole mass of the body is supposed to be centered
D. Which is the origin of reference frame

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