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

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

Question # 2

Steel is preferred for making springs over copper. Why?

Question # 3

When we apply reverse bias to a junction diode, it

Question # 4

A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?

Question # 5

A force of 10N is acting along y-axis. Its component along x-axis is

Question # 6

The average binding energy of a nucleus inside an atomic nucleus is about

Question # 7

Which of the following is not thermo dynamical function?

Question # 8

Electrons in the atom are held in the atom due to

Question # 9

An object is placed at a distance of f/2 from a convex lens. The image will be

Question # 10

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

Question # 11

When sound waves travel from air to water which of these remains constant?

Question # 12

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

Question # 13

Quantity that remains unchanged in a transformer is

Question # 14

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

Question # 15

The mass of a proton is 1847 times that of an electron. An electron and a proton are projected into a uniform electric field in a direction at right angles to the direction of the field with the same initial kinetic energy.The

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 An ideal choked (used along with fluorescent tube) would be
A. A pure resistor
B. A pure capacitor
C. A pure inductor
D. A combination of an inductor and a capacitor
2 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
3 A man pushes a wall but fails to displace it. He does:
A. Negative work
B. Maximum positive work
C. Positive work but not maximum
D. No work
4 Radio waves of constant amplitude can be generated with
A. Rectifier
B. Filter
C. FET
D. oscillator
5 The henry is the unit for
A. Resistance
B. Magnetic flux
C. Magnetic field
D. Inductance
6 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
7 The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is
A. Double the earlier value
B. Unchanged
C. More than doubled
D. Less than doubled
8 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
9 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
10 What is the average energy of N molecules of monoatomic gas?
A. 1/2 NKT
B. NKT
C. 3/2 NKT
D. 5/2 NKT

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