Which of the following is the closest formula to find the speed of sound in dry air? ( $\gamma=1.4$, M=28.97 gm/mole)
| (A) $v=\sqrt T. 20$ | (B) $v=\sqrt {T.20}$ |
| (C) $v=T.20$ | (D) $T20$ is related to Cricket only |
Tag Archives: Sound
Open Organ Pipe Reflection Q & A
Question: In closed organ pipe, the sound gets reflected from the rigid boundary. This makes sense. But, in open organ pipe there is no boundary at the end. So, how can sound reflect?
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Doppler Effect – Two vehicles, each moving with speed u………
Doppler Effect Quiz
No. of question = 1.