Advertisements
Advertisements
प्रश्न
What happens to the pitch of a sound if its frequency increases ?
Advertisements
उत्तर
Pitch of a sound is directly proportional to frequency. As the frequency increases, the pitch of the sound also increases.
APPEARS IN
संबंधित प्रश्न
A submarine emits a sonar pulse, which returns from an underwater cliff in 1.02 s. If the speed of sound in salt water is 1531 m/s, how far away is the cliff?
Give two practical applications of reflection of sound waves.
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
Name the unit used to measure the loudness of sound. Also write its symbol.
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
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.
How is it that bats are able to fly at night without colliding with other objects ?
Write any three applications (or uses) of ultrasound.
What type of waves are generated by SONAR device fixed to a fishing ship ?
