

MCQOPTIONS
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1. |
AT_RESONANCE_AIR_COLUMN_OF_LENGTH_20CM_RESONATES_WITH_A_TUNING_FORK_OF_FREQUENCY_450HZ._IGNORING_END_CORRECTION,_THE_VELOCITY_OF_SOUND_IN_AIR_IS?$ |
A. | 720m/s |
B. | 820m/s |
C. | 920m/s |
D. | 360m/s |
Answer» E. | |