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Name the factor that determines Loudness of the sound heard.
The pitch of a flute is decreased by ................... length of air column.
Define the following term:
Frequency
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
- 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)?
How does the wave pattern of a loud note differ from a soft note? Draw a diagram.
Name the subjective property of light related to its wavelength.
The same musical note when played on a piano and when played on a flute sounds different.
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.
______ is a general term for the distinguishable characteristic of a wave.
