At a given temperature, velocity of sound in oxygen and in hydrogen has the ratio …………………
A. 4 : 1
B. 1 : 4
C. 1 : 1
D. 2 : 1
Answer:B
At a given temperature, velocity of sound in oxygen and in hydrogen has the ratio …………………
A. 4 : 1 B. 1 : 4 C. 1 : 1 D. 2 : 1