Statement: The ration Cp/Cv is more for helium gas than that for hydrogen gas.

• A. Reason: Atomic mass of helium is more than that of hydrogen.
• B. Both statement and reason are true and the reason is the correct explanation of the statement
• C. Both statement and reason are true but the reason is not a correct explanation of the statement
• D. Statement it true but the reason is false
• E. Both statement and reason are false