NEET Physics Waves Questions Solved

Watch Physics > Waves Videos
play button

The ratio of the speed of sound in nitrogen gas to that in helium gas, at 300 K is 

(1) 2/7

(2) 1/7

(3) 3/5

(4) 6/5

(3) Velocity of sound in gas v=γRTMvγTM

vN2vHe=γN2γHe×MHeMH2=75R×453R×28=35

Difficulty Level:

  • 21%
  • 32%
  • 43%
  • 6%
Crack NEET with Online Course - Free Trial (Offer Valid Till September 21, 2019)