the no of photons of light of wavelength 7000A equivalent to 1j are
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Answered by
12
Explanation:
energy of 1 photon =hc/wavelength(#)
1J=n 6.6*10^-34 X 3*10^8/(7000*10^-10)
n=3.53*10^18( by calculator)
Answered by
34
Answer:
Energy = n × hc/λ
n = Energy × λ / (hc)
= 1 J × 7000 × 10^-10 m / (6.626 × 10^-34 J s × 3 × 10^8 m/s)
= 3.5 × 10^18 photons
= 3.5 Quintillion photons
Number of photons = 3.5 Quintillion
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