Physics
A barometer is kept inside a bell jar. Air is slowly pumped out of the jar.

The mercury level does not change
The mercury level starts rising
The mercury level starts falling
The bell jar breaks up

ANSWER DOWNLOAD EXAMIANS APP

Physics
Planets do not twinkle because

Their distance from the earth does not change with time
They are nearer to earth and hence we receive a greater amount of light.
They emit light of a constant intensity
They are very far away from the earth resulting in decrease in intensity of light

ANSWER DOWNLOAD EXAMIANS APP