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

00:00
Question # 1

A couple produces

Question # 2

What remains constant when the earth revolves around the sun?

Question # 3

The twinkling of stars is due to

Question # 4

Planck's constant has the dimensions of:

Question # 5

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

Question # 6

A particle moves along a circular path under the action of a force. The work done by the force is

Question # 7

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

Question # 8

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 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?

Question # 10

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

Question # 11

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 # 12

Boyle's law is applicable in

Question # 13

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

Question # 14

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 # 15

Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is

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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 moving charge will gain energy due to the application of
A. Electric field
B. Magnetic field
C. Both of these
D. None of these
3 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
4 The unit of inductance is equivalent to
A. V x s/A
B. V x A/s
C. A x s/v
D. V/A x s
5 A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:
A. 50 m
B. 12.5 m
C. 25 m
D. 10 m
6 The average binding energy of a nucleus inside an atomic nucleus is about
A. 8 MeV
B. 8 eV
C. 8 Joules
D. 8 ergs
7 In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is
A. 3.9
B. 4
C. 4.2
D. 6
8 The dimensional formula of torque is:
A. [ML2T-2]
B. {MLT-2]
C. [ML-1T-2]
D. [ML-2T-2]
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:
A. Cut off voltage
B. Zener voltage
C. Inverse voltage
D. Critical voltage
10 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

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