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संबंधित प्रश्न
How does a bat make use of ultrasonics waves to find its way?
Distinguish between loudness and intensity of sound.
What are longitudinal waves and transverse waves? Explain with the help of labelled diagrams.
When we change a feeble sound to a loud sound, we increase its :
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.
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
With reference to the frequency, describe the movement of water on the surface
An earthquake produces which kind of sound before the mainshock wave begins
Which of the following statements are correct?
- Sound is produced by vibrations.
- Sound requires a medium for propagation.
- Light and sound both require a medium for propagation.
- Sound travels slower than light.
Lightning can be seen the moment it occurs. Paheli observes lightning in her area. She hears the sound 5 s after she observed lightning. How far is she from the place where lightning occurs? (speed of sound = 330 m/s).
What types of medium are required for sound to travel?
