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Physics

Physics
When a light wave is reflected from a mirror, there is a change in its

Velocity
Wavelength
Amplitude
Frequency

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Physics
Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly

Reflect back the heat given by earth
Absorb heat from the atmosphere send it towards earth
Prevent cold waves from the sky descending on earth
Produce heat and radiate it toward earth

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Physics
Tape recorder should not be kept near one of the following things :

Magnet
Clock
Radio
Electrical switchboard

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Physics
The part of the eye having the largest refractive index is :

Vitreous humor
Aqueous humor
Cornea
Lens

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Physics
What is the reason for formation of Mirage in desert?

Total internal reflection of light
Reflection of light
Refraction of light
Both Refraction and Total internal reflection of light

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Physics
In nuclear reactor, heavy water is used as

Coolant
Atomic smasher
Moderator
Fuel

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MORE MCQ ON Physics

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