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

  • Total Questions15

  • Time Allowed15

NAT II Physical Science Physics

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Question # 1

Band spectrum is produced by

Question # 2

The smooth or steady stream-line flow is know as

Question # 3

The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be

Question # 4

Copper and germanium are cooled to 70K from room temperature, then

Question # 5

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 6

The length of a telescope is 36 cm. The focal lengths of its lenses can be

Question # 7

A 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be

Question # 8

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 # 9

Steel is preferred for making springs over copper. Why?

Question # 10

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 # 11

When we apply reverse bias to a junction diode, it

Question # 12

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

Question # 13

Surface tension of water is due to

Question # 14

The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is

Question # 15

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:

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    Hajra 01 - Dec - 2018 03 Min 05 Sec 7/15
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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
A. 11%
B. 8%
C. 5%
D. 1%
2 The contrast in the fringes in any interference pattern depends on
A. Fringe width
B. Intensity ratio of the sources
C. Distance between the slits
D. Wavelength
3 Which of the modulus of elasticity is involved in compression a rod to decrease its length?
A. Young's modulus
B. Bulk modulus
C. Modulus of rigidity
D. None of the above
4 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C
5 The part of a transistor which is heavily doped to produce large number of majority carriers is
A. Emitter
B. Base
C. Collector
D. Any of the above depending on nature of transistor
6 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. Calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
7 The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is
A. 25 m
B. 35 m
C. 50 m
D. 85 m
8 Copper and germanium are cooled to 70K from room temperature, then
A. Resistance of copper increases while that of germanium decreases
B. Resistance of copper decreases while that of germanium increases
C. Resistance of both decreases
D. Resistance of both increases
9 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
10 Which of the following sources give discrete emission spectrum?
A. Incandescent electric bulb
B. Sun
C. Mercury vapour lamp
D. Candle

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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