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Physics

Physics
Ampere second could be the unit of

Charge
Power
Energy
Conductance

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Physics
A metal-semiconductor junction diode is called ________

P-N Juction diode
Schottky diode
Tunnel diode
Photo diode

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Physics
A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls

Into his hand
By his side
Behind him
In front of him

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Physics
In a filament type light bulb most of the electric power consumed appears as

Infra-red rays
Ultra-violet rays
Visible light
Fluorescent light

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Physics
The radiant energy having lowest energy is

UV rays
Visible light
Microwave radiation
Gamma rays

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Physics
The base of an electric iron is brightly polished mainly

To reduce heat loss by radiation
To make it smooth and frictionless
To make it rust-proof
To make it more durable

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