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प्रश्न
Name the subjective property of light related to its wavelength.
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उत्तर
The subjective property of light related to its wavelength is colour.
संबंधित प्रश्न
The time period of a wave is 2 s. Its frequency is ..........
How does sound travel in air?
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
State three factors on which loudness of sound heard by a listener depends.
Name the characteristic of sound related to its frequency
Two identical guitars are played by two persons to give notes of the same loudness and pitch. Will they differ in quality? Give reason for your answer.
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
Draw a diagram to show the waveforms of a pure note and a musical note, of the same pitch and same loudness.
A 0.6 m long stretched wire is made to vibrate in two different modes as shown in figure
(a)
(b)
(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
What is acoustics?
