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प्रश्न
The speed of highly penetrating ultrasonic waves is :
विकल्प
lower than those of audible sound waves
higher than those of audible sound waves
much higher than those of audible sound waves
same as those of audible sound waves
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उत्तर
The speed of sound wave in air is independent of its frequency.
(d) Same as those of audible sound waves.
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संबंधित प्रश्न
Select the correct alternative :
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Describe an experiment to show that sound can travel in water.
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(b) in water?
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Fill in the blanks with suitable words .
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Fill in the blank with suitable word :
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