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प्रश्न
The lower the frequency of vibration, the higher is the pitch.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
The pitch of a sound is proportional to its frequency. As the frequency of vibration increases, the pitch of the sound also increases and vice versa. A sound is said to be high pitched if its vibration frequency is high and is low pitched for a small vibration frequency.
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संबंधित प्रश्न
State two conditions for an echo to take place
A tuning fork produces sound of ................... frequency.
Figure shows four waves A, B, C, and D
Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
Three musical instruments give out notes at the frequencies listed below. Flute: 400 Hz; Guitar: 200 Hz; Trumpet: 500 Hz. Which one of these has the highest pitch?
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.
If ______ of sound is decreased, its loudness also decreases.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
