Physics
If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated?

Unchanged
Depends upon the metal
Decreases
Increases

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP