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प्रश्न
Name one property of waves that do not change when the wave passes from one medium to another.
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उत्तर
The frequency of the waves does not change when the waves travel from one medium to another.
संबंधित प्रश्न
If the amplitude of vibration is large, sound is feeble.
State one important property of waves used for echo depth sounding.
In a piano, pitch is decreased by
State three factors on which loudness of sound heard by a listener depends.
How is the pitch of sound in a guitar changed if (a) thin wire is used, (b) wire under less tension is used?
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
Name the factors which determine the quality of a note.
