Physics
Mirage is due to:

Depletion of ozone layer in the atmosphere
Magnetic disturbances in the atmosphere
Unequal heating of different parts of the atmosphere
Equal heating of different parts of the atmosphere

ANSWER DOWNLOAD EXAMIANS APP

Physics
Why does the sea appear blue in colour?

Reflection of the sun light from water surface
Interference of the sun light from water surface
Refraction of the sun light
Scattering of the sunlight by water molecules

ANSWER DOWNLOAD EXAMIANS APP