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Physics

Physics
Erg cross Sec is the unit of

Planck's constant
Angular momentum
Energy
Linear Momentum

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Physics
Solar energy is due to

Fission reactions
Fusion reactions
Combustion reactions
Chemical reactions

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Physics
The atmosphere is heated mainly by

Radiation
Conduction
Insolation
Convection

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Physics
Which of the following liquids has the least density ?

Petrol
Mercury
Fresh water
Salt water

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Physics
The resistance of the human body (dry condition) is of the order of

101 Ohm
102 Ohm
None of these
103 Ohm

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Physics
The velocity of sound in moist air is more than in dry air because the moist air has

Less pressure than dry air.
More density than dry air.
More pressure than dry air.
Less density than dry air.

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