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