Physics
A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because

The carpet is a better conductor of heat than the stone
The stone conveys the heat away from the feet more rapidly than the carpet
The human body maintains a constant temperature
The floor and carpet are at different temperatures

ANSWER DOWNLOAD EXAMIANS APP

Physics
Mirage is due to:

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

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which of the following occurred first ?

Max Planck unveiled the Quantum Theory
Wright Brothers successfully flew an aircraft
Guglielmo Marconi sent out the first wireless signals
Albert Einstein propounded the General Theory of Relativity

ANSWER DOWNLOAD EXAMIANS APP