Advertisements
Advertisements
Question
Advertisements
Solution
The audience in the auditorium as act obstructions in the path of sound waves; so they sound waves are not reflected much less and hence the echoes usually decrease.
APPEARS IN
RELATED QUESTIONS
The human ear can detect continuous sounds in the frequency range from 20 Hz to 20,000 Hz. Assuming that the speed of sound in air is 330 ms1 for all frequencies; calculate the wavelengths corresponding to the given extreme frequencies of the audible range
How is the frequency of a stretched string related to its length?
How is the frequency of a stretched string related it’s tension?
Define wave velocity term in relation to a wave.
What is the condition necessary for an echo to be heard distinctly?
Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.
Name the principle on which a soundboard works.
Point out the waves from the given list, i.e., light, sound, radio waves, ultrasonic waves, and thermal radiation, the energy is propagated by mechanical waves.
A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.
