Assertion (A): Gases are characterised with two coefficients of expansion

Reason (R): When heated both volume and pressure increase with the rise in temperature.

• A

  Both assertion (A) and reason (R) are correct and R gives the correct explanation

• B

  Both assertion (A) and reason (R) are correct but R does not give the correct explanation

• C

  A is true but R is false

• D

  Both A and R are false