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प्रश्न
उत्तर
संबंधित प्रश्न
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
How does a man’s voice differ from a woman’s voice ?
What change do you expect in the characteristics of a musical sound if
(i) Its frequency is increased,
(ii) Its amplitude is increased?
In fig. 2 two musical notes of the same pitch and same loudness are played on a violin and on a piano. Their wave forms are as shown in the diagram below. Explain why the wave patterns are different.
Complete the following sentences :
Wave velocity = ________________ × wavelength.
A continuous disturbance is created on the surface of water in a ripple tank with a small piece of cork floating on it. Describe the motion of the cork. What does the motion of the cork tell about the disturbance?
Explain how the principle of echo is used by
The bat during its flight at night
______ is an unwanted sound.
