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Physics

Physics
The damage of the human body due to radiation (X-rays or grays etc,) is measured in :

Rems
Roentgen
Rads
Curie

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Physics
What is the process of conversion of solid state directly to gaseous state called?

Evaporation
Sublimation
Condensation
Distillation

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Physics
Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection

II and III
I and III
I, II and III
I and II

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Physics
Metals are good conductors of electricity because:

All of these
They have high melting point.
The atoms are lightly packed.
They contain free electrons.

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Physics
Light travels slowest in

Air
Vacuum
Glass
Water

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Physics
In which of the following industries is mica as a raw material?

Glass and Pottery
Cement
Electrical
Iron and Steel

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MORE MCQ ON Physics

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