light of wavelength 15×10(-7)m consists of photon whose energy is?
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hope this is ur answer......
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by using the E=hc/l
we have h =6.626*10^-34, l=15*10^-7 and c=3*10^8
thus E = 1.325*10^-19j
we have h =6.626*10^-34, l=15*10^-7 and c=3*10^8
thus E = 1.325*10^-19j
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