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Physics

Physics
Wind and solar energy are examples of

Renewable
Limited
Unsustainable
Non renewable

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Physics
A mirage occurs because of

Diffraction of light
Interference of light
Reflection by hot ground
Total internal reflection by layers of air

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Physics
A car parked in the sun with its windows closed gets terribly hot inside. This is due to

The double layered wind shield
The greenhouse effect
The heat emitted by the engine
The good conducting power of the metal body

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Physics
The sky appears blue due to

None of these
Mie scattering
Back scattering
Rayleigh scattering

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Physics
When hot liquid is poured into a thick glass tumbler, it cracks because glass :

Has high temperature coefficient of expansion
Has low temperature coefficient of expansion
Has a very low specific heat
Is a bad conductor of heat so only inner surface expands

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Physics
During washing of clothes, we use indigo due to its

Proper pigmental composition
Better cleaning action
Very low cost
High glorious nature

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MORE MCQ ON Physics

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