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

A sun rise or sun set, the sun looks reddish because:

Question # 2

Which of the following sources give discrete emission spectrum?

Question # 3

When n-type of semiconductor is heated

Question # 4

Energy is stored in the choke coil in the form of

Question # 5

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

Question # 6

Which one of the following phenomena is not explained by Huygen's construction of wavefront?

Question # 7

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

Question # 8

A couple produces

Question # 9

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

Question # 10

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue light of the same intensity

Question # 11

The number of translation degrees of freedom for a diatomic gas is

Question # 12

The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:

Question # 13

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

Question # 14

How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?

Question # 15

Ball pen function on the principle of

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight
2 The essential distinction between X-rays andγ-rays is that
A. γ-rays have smaller wavelength than X-rays
B. γ-rays emanate from nucleus while X-rays emanate from outer part of the atom
C. γ-rays have greater ionizing power than X-rays
D. γ-rays are more penetrating than X-rays
3 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
4 In Which case does the potential energy decreases?
A. On compressing a spring
B. On stretching a spring
C. One moving a body against gravitational force
D. One the rising of an air bubble in water
5 How does the Young's modulus vary with the increase of temperature?
A. Decrease
B. Increases
C. Remains constant
D. First increases and then decreases
6 The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes
A. 16 s
B. 12 s
C. 8 s
D. 4 s
7 A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is
A. Zero
B. 0.5 ohm
C. 1.1 ohm
D. 5.0 ohm
8 A couple produces
A. Purely linear motion
B. Purely rotational motion
C. Linear and rotational motion
D. No motion
9 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?
A. 28
B. 7
C. 4
D. 1
10 A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h

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