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Physics

Physics
Energy travels from Sun to Earth through

Radiation
Convection
Conduction
Modulation

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Physics
Full form of CFL used in place of electric bulbs is

Closed fluorescent lamp
Constantan filament lamp
Compact fluorescent lamp
Closed filament lamp

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Physics
The reverse effect of X–ray emission is

Photoelectric
Raman effect
Zeeman effect
Compton effect

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Physics
Frictional force acts in

The opposite direction of the motion
The same direction as the motion
All the directions
Upward direction

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Physics
A periscope works by the principle of

Refraction
Total internal reflection
Diffraction
Reflection

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Physics
By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?

1012
102
2
1036

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