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Physics

Physics
Conversion of heat into electrical energy is achieved by using :

Hydrometer
Ammeter
Thermocouple
Voltmeter

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Physics
What type of lens is a magnifying glass?

Converging
Achromatic
Diverging
Spherical

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Physics
The size of gear is usually specified by

Diametral pitch
Pressure angle
Circular pitch
Pitch circle diameter

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Physics
What should a person on a freely rotating turn table do to decrease his (angular) speed ?

Raise his hands up
Spread his hands outwards
Sit down with raised hands
Bring his hands together

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Physics
Which of the following is the cleanest source of energy?

Fossil fuel
Wind energy
Nuclear power
Biofuel

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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 :

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

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MORE MCQ ON Physics

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