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प्रश्न
The frequencies of notes given by flute, guitar and trumpet are respectively 400 Hz, 200 Hz and 500 Hz. Which one of these has the highest pitch?
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उत्तर
Trumpet. Because its frequency is highest.
संबंधित प्रश्न
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
The time period of a wave is 2 s. Its frequency is ..........
Match the following
| column A | column B |
| (A) Amplitude | (1) frequency |
| (B) Frequency | (2) amplitude |
| (C) Loudness | (3)maximum displacement on either side |
| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
Figure shows two jars A and B containing water up to different heights. Which will produce sound of higher pitch when air is blown on them?
Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in figure.
How do they differ in
(a) loudness,
(b) pitch and
(c) quality
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
- 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)?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
