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प्रश्न
To detect the obstacles in their path, bats produce ______.
विकल्प
Infrasonic waves
Ultrasonic waves
Electromagnetic waves
Radio waves
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उत्तर
To detect the obstacles in their path, bats produce ultrasonic waves.
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संबंधित प्रश्न
Distinguish between longitudinal and transverse waves.
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.

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Can you hear each other in a dark room?
Name the Sound of the Frequency Given Below:
200 Hz
Consider the statement given below and choose the correct option.
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Reason: The velocity of light is greater than that of the sound.
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What types of medium are required for sound to travel?
In longitudinal waves, the particle vibrates in a ______ direction of propagation.
Assertion: The sound of thunder is heard a little later than the flash of light.
Reason: The speed of sound is much less than the speed of light.
