InterviewSolution
Saved Bookmarks
| 1. |
The splash of sound was heard `5.35 s` after dropping a stone into a well 122.5 m deep. Velocity of sound in air isA. `350 cm//s`B. `350 m//s`C. `392 cm//s`D. `0 cm//s` |
|
Answer» Correct Answer - B `t=sqrt((2h)/(g))+(h)/(v_("sound"))` |
|