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प्रश्न
The ultrasound waves can penetrate into matter to a large extent because they have :
विकल्प
very high speed
very high frequency
very high wavelength
very high amplitude
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उत्तर
Ultrasound waves can enter the metal surfaces because of their high frequency.
(b) Very high frequency.
संबंधित प्रश्न
Explain the term 'amplitude' of a wave. Draw the diagram of a wave and mark its amplitude on it.
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Fill in the blank with suitable word :
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