2 x 10^4 m/sec
9 x 10^2 m/sec
3 x 10^11 m/sec
3 x 10^8 m/sec
The velocity of light is maximum in
The velocity of light was first measured by
The velocity of neutron in a nuclear reactor is retarded by
The velocity of sound in a gas depends on
The velocity of sound in air
The velocity of sound in moist air is more than in dry air because the moist air has
The velocity of sound is …. the density of the medium
The velocity of sound is more in
The velocity of the sound is highest in
The voltage regulation of a transformer is poor at