MCQOPTIONS
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| 1. |
Identify the statements among the following which are true:(p) The velocity of sound increases with altitude.(q) The velocity of sound increases during a shower.(r) The velocity of sound in air at a particular place does not remain the same during day and night. |
| A. | Only (q) |
| B. | (q) & (r) |
| C. | (p) & (r) |
| D. | Only (p) |
| Answer» C. (p) & (r) | |