The number of photons of light of wavelength 7000 armstrong equivalent to 1 joule are
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W=nE
1J =nhc/wavelength
n= 1 × wavelength/ hc
n = 1× 7000 × 10^-10 / 6.63 × 10^-34 × 3 × 10^8
n = 35.19 × 10^-15
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Answer:
W=nE
1J =nhc/wavelength
n= 1 × wavelength/ hc
n = 1× 7000 × 10^-10 / 6.63 × 10^-34 × 3 × 10^8
n = 35.19 × 10^-15
Explanation:
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