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

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

Question # 2

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

Question # 3

At constant volume temperature is increased. Then

Question # 4

To make the frequency double of an oscillator, we have to

Question # 5

With the increase of temperature viscosity

Question # 6

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

Question # 7

A capacitor acts as an infinite resistance for

Question # 8

The nuclear model of atom was proposed by

Question # 9

A particle moving in a magnetic field has increase in its velocity, then its radius of the circle

Question # 10

A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched without breaking?

Question # 11

Centre of mass is a point

Question # 12

A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 13

A sun rise or sun set, the sun looks reddish because:

Question # 14

In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion

Question # 15

What will be the duration of the day and night (in hour) if the diameter of the earth is suddenly reduced to half its original value, the mass remaining constant?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 At constant volume temperature is increased. Then
A. Collision on walls will be less
B. Number of collisions per unit time will increase
C. Collisions will be in straight lines
D. Collisions will not change
2 A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is
A. Equal to unity
B. Equal to 1.33
C. Between unity and 1.33
D. Greater than 1.33
3 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
4 Electrons in the atom are held in the atom due to
A. Coulomb forces
B. Nuclear forces
C. Gravitational forces
D. Van der Waal's forces
5 With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are
A. Energy, momentum and mass
B. Energy
C. Energy and mass
D. Energy and linear momentum
6 A capacitor acts as an infinite resistance for
A. AC
B. DC
C. Both AC and DC
D. Neither AC nor DC
7 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
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 Band spectrum is produced by
A. H
B. He
C. H2
D. Na
10 A force of 10N is acting along y-axis. Its component along x-axis is
A. 10N
B. 20N
C. 100N
D. Zero N

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