Advertisements
Advertisements
Question
State two conditions for an echo to take place.
Short Answer
Advertisements
Solution
- The reflected sound should reach the ear at least 0.1 s after the original sound.
- The reflecting surface should be sufficiently large and hard so that it can reflect sound effectively.
shaalaa.com
Is there an error in this question or solution?
Chapter 3: Sound - Frequently Asked Questions in Board Examination [Page 207]
RELATED QUESTIONS
Name the factor that determines Quality of the note
The pitch of sound depends on frequency.
Define the following term:
Frequency
If the amplitude of a wave is doubled, what will be the effect on its loudness?
Name the unit in which loudness of sound is measured.
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
Name one main factor on which each character such as intensity, pitch, and quality of musical sound depends.
Which characteristics of sound will change if there is a change in its amplitude.
What does the intensity of sound depend upon?
What is acoustics?
