Advertisements
Advertisements
Question
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.
Advertisements
Solution
(a) a note from a musical sound is shown by (D)

(b) a soft note is shown by (A)

(c) a shrill note is shown by (C)

APPEARS IN
RELATED QUESTIONS
The ratio of the amplitude of two waves is 3:4. What is the ratio of their Frequencies?
State the safe limit of sound level in terms of decibel for human hearing.
Sound can not travel in
When sound travels in form of a wave
The unit of loudness is _______.
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
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
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.
What is the noise? Give an example.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
