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Which of the following electromagnetic waves has (a) minimum wavelength, and (b) minimum frequency ? Write one use of each of thesetwo waves.Infrared waves, Microwaves, y-rays and X-rays |
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Answer» ong>ANSWER: a) minimum wavelength it helps in listening ultrasound waves a) infrared waves - it is useful in COMMUNICATION. B) MICROWAVES - radio astronomy ,medical treatment these are the two waves USES. |
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