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 smooth or steady stream-line flow is know as

Question # 2

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 3

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

Question # 4

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

Question # 5

A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 6

Two sources of sound are said to be coherent if

Question # 7

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 # 8

A capacitor acts as an infinite resistance for

Question # 9

What is the average energy of N molecules of monoatomic gas?

Question # 10

Quantity that remains unchanged in a transformer is

Question # 11

In an L-R circuit, time constant is that time in which current grows from zero to the value

Question # 12

Blood has a density

Question # 13

Band spectrum is produced by

Question # 14

Mechanical waves on the surfaces of a liquid are

Question # 15

What remains constant when the earth revolves around the sun?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be
A. Increasing by a factor of 2
B. Decreasing by a factor of 2
C. Decreasing by a factor of 4
D. Unchanged
2 How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?
A. 1000 liters
B. 1200 liters
C. 100 liters
D. 2000 liters
3 An object is placed at a distance of f/2 from a convex lens. The image will be
A. At one of the foci, virtual and double its size
B. At, 3f/2, real and inverted
C. At 2f, virtual and erect
D. At f, real and inverted
4 In an L-R circuit, time constant is that time in which current grows from zero to the value
A. 0.63 Io
B. 0.50 Io
C. 0.37 Io
D. Io
5 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
6 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
7 Boyle's law is applicable in
A. Isochoric process
B. Isothermal process
C. Isobaric process
D. Isotonic process
8 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
9 A body moving in circular motion with constant speed has
A. Constant velocity
B. Constant acceleration
C. Constant kinetic energy
D. Constant displacement
10 When the length of a microscope tube increase, its magnifying power
A. Decreases
B. Increases
C. Does not Change
D. May increase or decrease depending on the observer and the place of observation

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