Sounds Waves And Motion - Study Mode
[#246] The frequency of an ultrasonic sound wave is greater than . . . . . . . .
Correct Answer
(D) 20000 Hz
[#247] In case of a forced vibration, the resonance wave becames very sharp when the
Correct Answer
(D) damping force is small
[#248] Among the following materials, sound travels fastest in
Correct Answer
(A) steel
[#249] Speed of sound in seawater . . . . . . . . it occurs.
Correct Answer
(C) 1531 m/s
[#250] Which of the following will have the maximum speed of sound at 25°C?
Correct Answer
(C) Aluminium