Advertisements
Advertisements
प्रश्न
Write the full name of 'SONAR'.
उत्तर
SONAR is an acronym for SOund Navigation And Ranging.
APPEARS IN
संबंधित प्रश्न
How is ultrasound used for cleaning?
Explain how defects in a metal block can be detected using ultrasound.
Define the 'frequency' and 'time-period' of a wave. What is the relation between the two?
Name the three characteristics of sound.
How does the pitch of a sound depend on frequency ?
Fill in the blank with suitable word :
Pitch of sound depends on ....................
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Explain the term 'pitch' of a sound. On what factor does the 'pitch' of a sound depend ?
Draw labelled diagrams to represent sound of (a) low pitch, and (b) high pitch, of the same loudness.
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?