Sound Test - 30...

A loaded spring produces __________ waves.

Which of the following cannot travel through vacuum?

A bomb explodes on the moon. How long will it take for the sound to reach the earth?

A boy stands $$85\ m$$ in front of a high wall and then blows a whistle. Calculate the time interval when he hears an echo. (speed of sound $$=340\ ms^{-1})$$

Echo is a type of

Sound cannot travel through

Which of the following statements is true?

________ is the characteristic of a musical sound by a which a loud sound can be distinguished from a faint sound even though both have the same pitch.

Two tuning forks A, B vibrate with frequencies in the ratio 2 : 7 and their wavelengths in the ratio 3 : 4 respectively. The tuning fork A produces relatively :

A longitudinal wave travels into a medium in which its speed increases. Its wavelength