Sounds Waves And Motion - Study Mode
[#161] Man cannot tolerate very high sound, what is the highest sound level that human cannot hear-
Correct Answer
(B) 80dB
[#162] Sound waves travel on following-
Correct Answer
(A) Different speeds in different mediums
[#163] Sound waves do not travel in
Correct Answer
(D) Vacuum
[#164] Doppler shift in frequency does not depend upon
Correct Answer
(D) distance from the source to the listener
[#165] The acronym SONAR stands for:
Correct Answer
(A) Sound Navigation and Ranging