Question

Hydrogen gas is filled in two
identical bottles, A and B, at the
same temperature. The mass of
hydrogen in the two bottles is 12
gm and 48 gm respectively. In
which bottle will sound travel
faster? How may times as fast as
the other​

Answer 1

Explanation:

Assertion (A): If both the mass and radius of the earth decreases by 1%,

the value of acceleration due to gravity will increase by 2%.

Reason (R): g= GMm/R2