List of top Physics Questions on Atoms and Molecules asked in KEAM

When a diode is reverse biased
If the ratio of the acceleration due to gravity on the surface of earth to that on the surface of the moon is 6:1, then the ratio of the periods of a simple pendulum on their surfaces is
A planet with radius R and acceleration due to gravity g, will have atmosphere only if r.m.s. speed of air molecules is less than
The ratio of the kinetic energy values of 4g of hydrogen ($H_2$) to 7g of nitrogen ($N_2$) at room temprature is