NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

A capacitor acts as an infinite resistance for

Question # 2

The dimensional formula of torque is:

Question # 3

Band spectrum is produced by

Question # 4

The dimensional formula for the modulus of elasticity is same as that for:

Question # 5

In a simple harmonic motion (SHM), which of the following does not hold?

Question # 6

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 # 7

Which of the following lists of physical quantities consists only of vectors:

Question # 8

If the dot product of two non-zero vectors vanishes, the vectors will be

Question # 9

In which of the following states does the incandescent substance give continuous spectrum?

Question # 10

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

Question # 11

Which of the following four statement is false?

Question # 12

A force of 10N is acting along y-axis. Its component along x-axis is

Question # 13

Boyle's law is applicable in

Question # 14

The unit of inductance is equivalent to

Question # 15

Choose the correct statement

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The nuclear model of atom was proposed by
A. J.J Thomson
B. E. Rutherford
C. Neil Bohr
D. Summerfield
2 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
3 The direction of induced current is such that it opposes the very cause that has produced it. This is the law of
A. Lenz
B. Faraday
C. Kirchoff
D. Fleming
4 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
5 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
6 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
7 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
8 A p-n junction has a thickness of the order of:
A. 1 cm
B. 1 mm
C. 10-6cm
D. 10-12cm
9 Copper and germanium are cooled to 70K from room temperature, then
A. Resistance of copper increases while that of germanium decreases
B. Resistance of copper decreases while that of germanium increases
C. Resistance of both decreases
D. Resistance of both increases
10 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum

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