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

If the earth were to rotate faster, than its present speed the weight of an object will

Question # 2

A photoelectric cell coverts

Question # 3

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

Question # 4

Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?

Question # 5

Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?

Question # 6

In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be

Question # 7

In which case application of angular velocity is useful?

Question # 8

Surface tension of water is due to

Question # 9

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

Question # 10

When the length of a microscope tube increase, its magnifying power

Question # 11

One cannot see fog because

Question # 12

The peak voltage in 220 volt A.C. supply is nearly

Question # 13

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 14

Planck's constant has the dimensions of:

Question # 15

A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Surface tension of water is due to
A. Inter molecular attractions
B. Intermolecular spaces
C. Inter molecular repulsion
D. None of above
2 According to classical theory the proposed circular path of an electron in Rutherford model of atom will be
A. Circular
B. Straight line
C. Parabolic
D. Spiral
3 The length of a telescope is 36 cm. The focal lengths of its lenses can be
A. 30 cm, 6 cm
B. -30 cm, -6 cm
C. 30 cm, -6cm
D. -30cm, 6cm
4 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight
5 Boyle's law is applicable in
A. Isochoric process
B. Isothermal process
C. Isobaric process
D. Isotonic process
6 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
7 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
8 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
9 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
10 One cannot see fog because
A. Fog absorbs light
B. The refractive index of fog is infinity
C. Light suffers total reflection at the droplet in a fog
D. Light is scattered by the droplet in fog

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