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A type of electromagnetic wave has wavelength 50 Å. (i) Name the wave. (ii) What is the speed of the wave in vacuum ?(iii) State one use of this type of wave. |
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Answer» (i) X-rays. (ii) Speed of the wave in vacuum is 3 x 108 m/s. (iii) x-rays are used for determining fracture of bones hidden objects in customs at Airports. |
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