Physics
Oil rises up the wick in a lamp because

Of the capillary action phenomenon
Oil is very light
Of the diffusion of oil through the wick
Of the surface tension phenomenon

ANSWER DOWNLOAD EXAMIANS APP

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

ANSWER DOWNLOAD EXAMIANS APP