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 dimensional formula of torque is:

Question # 2

Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?

Question # 3

What remains constant in the field of central force?

Question # 4

The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed

Question # 5

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 6

To increase the magnification of a telescope

Question # 7

The twinkling of stars is due to

Question # 8

Which quantity is increased in step-down transformer?

Question # 9

Which of the following is a scalar quantity?

Question # 10

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

Question # 11

Band spectrum is produced by

Question # 12

Absolute temperature can be calculated by

Question # 13

Which one of the following is a simple harmonic motion?

Question # 14

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

Question # 15

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

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?
A. 10 A
B. 5 A
C. 33.3 A
D. 3.33 A
2 The unit of electric current 'ampere' is the amount of current flowing through each of two parallel wires 1 m apart and of infinite length will give rise to a force between them equal to
A. 1 N/m
B. 2 x 10-7N/m
C. 1 x 10-2N/m
D. 4 x 102N/m
3 The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is
A. Double the earlier value
B. Unchanged
C. More than doubled
D. Less than doubled
4 Which one of the following phenomena is not explained by Huygen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of spectra
5 The structure of solids is investigated by using
A. Cosmic Rays
B. X-rays
C. Intra red Radiation
D. γ-rays
6 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
7 In which case application of angular velocity is useful?
A. When a body is rotating
B. When velocity of body is in a straight line
C. When velocity is in a straight line
D. None of these
8 Band spectrum is produced by
A. H
B. He
C. H2
D. Na
9 If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be
A. 1 s
B. 2 s
C. 3 s
D. 4 s
10 An ideal choked (used along with fluorescent tube) would be
A. A pure resistor
B. A pure capacitor
C. A pure inductor
D. A combination of an inductor and a capacitor

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