Select the false statement(s) from the following. I. Two isothermal curves can never intersect each other. II. When air rises up it cools. III. A gas gets cooled on compression. IV. When a gas expands, work is done by the system.

Question

Select the false statement(s) from the following. I. Two isothermal curves can never intersect each other. II. When air rises up it cools. III. A gas gets cooled on compression. IV. When a gas expands, work is done by the system. (A) I and IV (B) II only (C) III and IV (D) I and II

Tardigrade Admin · Accepted Answer

Work done in compressing the gas increases the internal energy of the gas.

Q. Select the false statement(s) from the following. I. Two isothermal curves can never intersect each other. II. When air rises up it cools. III. A gas gets cooled on compression. IV. When a gas expands, work is done by the system.

I and IV

II only

III and IV

I and II

Work done in compressing the gas increases the internal energy of the gas.

Q. Select the false statement(s) from the following.
I. Two isothermal curves can never intersect each other.
II. When air rises up it cools.
III. A gas gets cooled on compression.
IV. When a gas expands, work is done by the system.