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

When n-type of semiconductor is heated

Question # 2

For obtaining appreciable extension, the wire should be

Question # 3

What remains constant when the earth revolves around the sun?

Question # 4

The sieman is the SI unit of

Question # 5

Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is

Question # 6

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 # 7

A particle moving in a magnetic field has increase in its velocity, then its radius of the circle

Question # 8

A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 9

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

Question # 10

Choose the correct statement

Question # 11

The velocity of falling raindrops attains limited value because of

Question # 12

The modulus of rigidity of a liquid is

Question # 13

Bernoulli's equation is based upon law of conservation

Question # 14

Steel is preferred for making springs over copper. Why?

Question # 15

Band spectrum is produced by

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be
A. 6.66 J
B. 15 J
C. 22.5 J
D. 45 J
2 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
3 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
4 Two sources of sound are said to be coherent if
A. They produce sounds of equal intensity
B. They produce sounds of equal frequency
C. They produce sound waves vibrating with the same phase
D. They produce sound waves with zero or constant phase different all instant of time
5 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight
6 If the earth were to rotate faster, than its present speed the weight of an object will
A. Increase at the equator but remain unchanged at the poles
B. Decrease at the equator but remain unchanged at the poles
C. Remain unchanged at the decrease but decrease at the poles
D. Remain unchanged at the equator but increase at the poles
7 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
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 There are discrete energy levels in atoms. It was first experimentally demonstrated by
A. Rutherford's experiment
B. Franck Hertz experiment
C. Marsden's experiment
D. Somerfield experiment
10 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

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