Hamad Waves 27/07/2021 A. energy B. mass C. both D. none Related Mcqs: The velocity of sound is greatest in___________________?A. Water B. air C. copper D. ammonia... The velocity of sound in air would become double than its velocity at 0°C at temperature ?A. 313°C B. 586°C C. 819°C D. 1172°C... Sound waves do not travel in vacuum because ___________________?A. they are transverse waves B. they are stationary waves C. they require material medium for propagation D. they do not have enough energy... Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?A. isothermal law B. adiabatic law C. isochoric law D. all of the above... The beats frequency (sensible) for a human car is _____________________?A. 42Hz B. 7 Hz C. 256Hz D. 262Hz...
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