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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  • Time Allowed15

NAT II Physical Science Physics

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Question # 1

The twinkling of stars is due to

Question # 2

Radio waves of constant amplitude can be generated with

Question # 3

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

Question # 4

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

Question # 5

The dimensional formula of torque is:

Question # 6

Boyle's law is applicable in

Question # 7

Which one of the following phenomena is not explained by Hugen's construction of wavefront?

Question # 8

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?

Question # 9

Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)

Question # 10

A moving charge will gain energy due to the application of

Question # 11

When boron is added as an impurity to silicon, the resulting material is.

Question # 12

A man pushes a wall but fails to displace it. He does:

Question # 13

The smooth or steady stream-line flow is know as

Question # 14

The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:

Question # 15

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The dimensional formula for the modulus of elasticity is same as that for:
A. Stress
B. Strain
C. Velocity
D. Surface tension
2 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
3 The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:
A. Mass
B. Length
C. Time
D. None
4 A particle moving in a magnetic field has increase in its velocity, then its radius of the circle
A. Decreases
B. Increases
C. Remains the same
D. Becomes half
5 Which of the following lists of physical quantities consists only of vectors:
A. Time, temperature, velocity
B. Force, volume, momentum
C. Velocity, acceleration, mass
D. Force, acceleration, velocity
6 If the dot product of two non-zero vectors vanishes, the vectors will be
A. In the same direction
B. Opposite to each other
C. Perpendicular to each other
D. Zero
7 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
8 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
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
9 A conducting wire is drawn to double its length. Final resistivity of the material will be
A. Double of the original one
B. Half of the original one
C. One-fourth of the original one
D. Same as original one
10 If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be
A. 1 s
B. 2 s
C. 3 s
D. 4 s

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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