Physics
For an ideal gas, which one of the following statements does not hold true?

The speed of all gas molecules is same
The kinetic energies of all gas molecules are not same
The potential energy of the gas molecules is zero
There is no interactive force between the molecules.

ANSWER DOWNLOAD EXAMIANS APP

Physics
It is easier to roll a stone up a sloping road than to lift it vertical upwards because

Work done in lifting the stone is equal to rolling it.
Work done in rolling is more than in lifting.
Work done in both is same but the rate of doing work is less in rolling.
Work done in rolling a stone is less than in lifting it.

ANSWER DOWNLOAD EXAMIANS APP