If a beam of X – ray has a wavelength of 1 A°, then what is the energy of this wave?

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answerhappygod
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If a beam of X – ray has a wavelength of 1 A°, then what is the energy of this wave?

Post by answerhappygod »

a) 39.78 x 10-16erg
b) 19.89 x 10-16erg
c) 39.78 x 10-16J
d) 19.89 x 10-16J
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