NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

Try The MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

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 # 2

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

Question # 3

Centre of mass is a point

Question # 4

The smooth or steady stream-line flow is know as

Question # 5

The conductivity of a superconductor is

Question # 6

A prism splits a beam of white light into its seven constituent colors. This is so because

Question # 7

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

Question # 8

Choose the correct statement

Question # 9

The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is

Question # 10

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

Question # 11

A photocell with a constant p.d. of V volt across it illuminated by a point source from a distance of 25 cm. When the source is moved to a distance of 1m, the electrons emitted by the photocell

Question # 12

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 # 13

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

Question # 14

Electrons in the atom are held in the atom due to

Question # 15

A body moves a distance of 10 m along a straight line under the action of a force of 5 Newton's. If the work done is 25 joules, the angle which the force takes with the direction of motion of the body is:

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The dimensional formula of torque is:
A. [ML2T-2]
B. {MLT-2]
C. [ML-1T-2]
D. [ML-2T-2]
2 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight
3 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
4 A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is
A. Less
B. Greater
C. Equal
D. Cannot be concluded
5 A force of 10N is acting along y-axis. Its component along x-axis is
A. 10N
B. 20N
C. 100N
D. Zero N
6 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
7 When light wavelength 300 nm (nanometer) falls on a photoelectric emitter, photoelectrons are liberated. For another emitter, however, light of 600 nm wavelength is sufficient for creating photoemission. What is the ratio of the work functions of the two emitters?
A. 1 : 2
B. 2 : 1
C. 4 : 1
D. 1 : 4
8 When boron is added as an impurity to silicon, the resulting material is.
A. n type conductor
B. n type semiconductor
C. p-type conductor
D. p-type semiconductor
9 A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is
A. Zero
B. 0.5 ohm
C. 1.1 ohm
D. 5.0 ohm
10 Ball pen function on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tension

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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