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

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

Question # 2

A couple produces

Question # 3

A voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be

Question # 4

For obtaining appreciable extension, the wire should be

Question # 5

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be

Question # 6

Quantity that remains unchanged in a transformer is

Question # 7

When a hydrogen atom is bombarded, the atom is excited to the n = 4 state of hydrogen atom. The energy released when the atom falls from n = 4 state to the ground state is

Question # 8

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of

Question # 9

The structure of solids is investigated by using

Question # 10

The magnetic moment of a circular coil carrying current is

Question # 11

In case of p-n junction diode, at high value of reverse bias, the current rises sharply. The value of reverse bias is known as:

Question # 12

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

Question # 13

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes

Question # 14

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

Question # 15

A particle moves along a circular path under the action of a force. The work done by the force is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
A. R1=2R2
B. R2=2R1
C. R2=4R1
D. R1=4R2
2 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
A. 48A
B. 24V
C. 12V
D. 6V
3 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
4 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?
A. 0.25 m
B. 0.5 m
C. 1 mm
D. 2 mm
5 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
6 A moving charge will gain energy due to the application of
A. Electric field
B. Magnetic field
C. Both of these
D. None of these
7 When the length of a microscope tube increases, its magnifying power
A. Decreases
B. Increases
C. May increases or decreases depending on the observer and the place of observation
D. Does not change
8 In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is
A. 3.9
B. 4
C. 4.2
D. 6
9 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?
A. 12
B. 6
C. 3
D. 2
10 The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of
A. 200V, 50 Hz
B. 2V, 50 Hz
C. 200V, 500 Hz
D. 2V, 5 Hz

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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