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प्रश्न
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through ______.
विकल्प
wax
vacuum
water
empty vessel
उत्तर
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through empty vessel.
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संबंधित प्रश्न
The frequency of a source of sound is 100 Hz. How many times does it vibrate in a minute?
What is a longitudinal wave ?
Name the two characteristics of sound which differentiate two sounds from each other.
On what factor does the loudness of a sound depend ?
Which of the following frequency of sound can be generated by a vibrating simple pendulum as well as by the vibrating vocal cords of a rhinoceros ?
Match the pairs.
| Group ‘A’ | Group ‘B’ |
| (a) Flute | (1) Frequency less than 20 Hz |
| (b) Frequency | (2) Frequency more than 20000 Hz |
| (c) Sound level | (3) Vibrations in the air |
| (d) Ultrasonic sound | (4) Measured in Hz |
| (e) Infrasonic sound | (5) Decibel |
Sound waves travel very fast in
High-frequency sounds that cannot be heard by you are called _______.
What do you understand by the term echo?
Why is a sound wave called a longitudinal wave?
