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Physics

Physics
Sources of geothermal power are

None of these
Water
Both A & B
Earth's heat

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Physics
Name the process of production of energy in the Sun

Nuclear fission
Ionization
Nuclear fusion
Radioactivity

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Physics
An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is:

600 units
0.6 units
60 units
6 units

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Physics
Which component of an IED creates an electrical charge?

Power source
Fuse
Explosive
Activator

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Physics
Which of the following is not caused by atmospheric refraction of light ?

Twinkling of stars at night
Sun appearing red at sunset
Sun appearing higher in the sky than it actually is
Sun becoming visible two or three minutes before actual sunrise

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Physics
The rate of flow of electric charge is measured in

Ampere
Coulomb
Ampere-coulomb
Ampere/coulomb

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