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Physics

Physics
Sources of geothermal power are

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

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Physics
The unit for measuring electric power is the

Steridian
Volts
Watts
Watts

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Physics
The device which converts AC to DC is

Amplifier
None of these
Oscillator
Rectifier

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Physics
The phenomenon of change in direction of light when it passes from one medium to another is called

Reflection
Propagation
Dispersion
Refraction

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Physics
Out of the following pairs, which one does not have identical dimension?

Work and Torque
Moment of inertia and moment of a force
Impulse and Momentum
Angular momentum and Planck's constant

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Physics
The purpose of choke in a fluorescent lamp is :

To increase the current flow
Ro decrease the voltage momentarily
To decrease the resistance
To decrease the current flow

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