Sounds Waves And Motion - Study Mode
[#296] Consider the following statements. 1. A flute of smaller length produces waves of lower frequency. 2. Sound travels in rocks in the form of longitudinal elastic waves only. Which of the statements given above is/are correct?
Correct Answer
(B) Only 2
[#297] A bomb explodes on the moon. You will heard its sound on earth after . . . . . . . .
Correct Answer
(D) you cannot hear the sound of explosion
[#298] The frequency of ultrasound wave is typically
Correct Answer
(A) above 20 kHz
[#299] The loudness of sound depends upon the
Correct Answer
(B) amplitude of the sound waves
[#300] Speeds greater than the speed of sound in air are known as . . . . . . . .
Correct Answer
(A) Supersonic