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प्रश्न
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
उत्तर
We have to show a diagram representing the phenomenon of multiple reflection of sound wave by the inner walls of stethoscope.
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संबंधित प्रश्न
Define wavelength term in relation to a wave.
State two factors on which the speed of a wave travelling in a medium depends.
What do you mean by reflection of sound? State one condition for the reflection of a sound wave. Name a device in which reflection of sound wave is used.
What is meant by echo depth sounding?
State two factors on which the natural frequency of a body depends.
Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?
Waves produced on the surface of the water are formed to move with a velocity of 24 ms−1. If the wavelength of these waves equals 20 cm. find the
(i) frequency (no. of waves produced per second)
(ii) the time period (i.e. the time required to produce one wave) for these waves.
What is mean by the reflection of sound?
The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.
