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

An ideal choked (used along with fluorescent tube) would be

Question # 2

A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:

Question # 3

Centre of mass is a point

Question # 4

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.

Question # 5

The dimensional formula for the modulus of elasticity is same as that for:

Question # 6

If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will

Question # 7

The number of turns in the primary coil of a transformer is 200 and the number of turns in the secondary coil is 10. If 240 volts ac are applied to the primary, the output the secondary will be

Question # 8

What remains constant when the earth revolves around the sun?

Question # 9

Blood has a density

Question # 10

The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Question # 11

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

Question # 12

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

Question # 13

The magnetic moment of a circular coil carrying current is

Question # 14

If a diamagnetic substance is brought near north or south pole of a bar magnet it is

Question # 15

Which of the following lists of physical quantities consists only of vectors:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes
A. 2R
B. 4R
C. 16R
D. Zero
2 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
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 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
5 Radio waves of constant amplitude can be generated with
A. Rectifier
B. Filter
C. FET
D. oscillator
6 To increase the magnification of a telescope
A. The objective lens should be of large focal length and eyepiece should be of short focal length
B. The objective and eyepiece both should be of large focal lengths
C. Both the objective and eyepiece should be of smaller lengths
D. The objective should be small focal length and eyepiece should be of large focal length
7 Choose the correct statement
A. Both an ammeter and voltmeter should have small resistance
B. Both an ammeter and a voltmeter should have large resistance
C. An ammeter should have large resistance and a voltmeter should have small resistance
D. An ammeter should have small resistance and a voltmeter should have large resistance
8 When n-type of semiconductor is heated
A. Number of electrons increases while that of holes decreases
B. Number of holes increases while that of electron decreases
C. Number of electrons and holes remains same
D. Number of electrons and holes increases equally
9 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
10 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6

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