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Physics

Physics
Electric current is measured by which instrument?

Sinometer
Ammeter
Barometer
Voltmeter

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Physics
Shaving mirror is

Convex
Parabolic
Concave
Plane

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Physics
A doppler effect occurs when a source of sound moves

None of these
Towards you
Away from you
Both A & B

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Physics
No current will flow between two charged bodies if they have the same

Potential
Resistance
Charge
Charge/ potential ratio

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Physics
A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be :

(3/4)f
(7/3)f
F
(4/3)f

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Physics
Infrasonic sound has a frequency lower than

15 Hz
32 Hz
5 Hz
20 Hz

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MORE MCQ ON Physics

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