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What physical quantity is the same for X-rays of wavelength

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asked Jan 6, 2018 in Physics by sforrest072 (157,439 points) ● 61 ● 410 ● 949
edited Mar 5, 2018 by Vikash Kumar

What physical quantity is the same for X-rays of wavelength 10−10 m, red light of wavelength 6800 Å and radio waves of wavelength 500 m?

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answered Jan 6, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Jan 6, 2018 by sforrest072
 
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The speed of light (3 × 108 m/s) in a vacuum is the same for all wavelengths. It is independent of the wavelength in the vacuum.

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