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

A photoelectric cell coverts

Question # 2

A particle is moving in a uniform magnetic filed, then

Question # 3

In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie

Question # 4

The unit of electric current 'ampere' is the amount of current flowing through each of two parallel wires 1 m apart and of infinite length will give rise to a force between them equal to

Question # 5

Two sources of sound are said to be coherent if

Question # 6

The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV?

Question # 7

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

Question # 8

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?

Question # 9

What remains constant in the field of central force?

Question # 10

If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be

Question # 11

Light appears to travel in straight lines since

Question # 12

Which one of the following is a simple harmonic motion?

Question # 13

A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Question # 14

For production of beats the two sources must have

Question # 15

The twinkling of stars is due to

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
2 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight
3 Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is
A. Zero
B. 5N
C. 25N
D. 150N
4 Which one of the following phenomena is not explained by Huygen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of spectra
5 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
6 A body moving in circular motion with constant speed has
A. Constant velocity
B. Constant acceleration
C. Constant kinetic energy
D. Constant displacement
7 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
8 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
9 The henry is the unit for
A. Resistance
B. Magnetic flux
C. Magnetic field
D. Inductance
10 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

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