

MCQOPTIONS
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1. |
A wavelength 0.60 cm is produced in air and it travels at a speed of 300 ms?1. It will be an [UPSEAT 2000] |
A. | Audible wave |
B. | Infrasonic wave |
C. | 560 Hz |
D. | None of the above |
Answer» D. None of the above | |