

MCQOPTIONS
Saved Bookmarks
1. |
Which is not the correct reason for sound of speed being higher in helium than in air at the same temperature? |
A. | for helium is higher than air |
B. | Gas constant is same for both |
C. | Helium is lighter than air |
D. | R for helium is much larger than for air |
Answer» C. Helium is lighter than air | |