the number of photons of light of wavelength 450nm which can provide 100j of energy is equal to
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Answered by
9
ANSWER
The wavelength of light is 4000pm or 4000×10
−12
m or 4000×10
−9
m.
The energy one photon is
λ
hc
=
4×10
−9
6.626×10
−34
×3×10
8
=4.97×10
−17
.
The number of photons that will provide 1 J of energy is
4.97×10
−17
1J
J=2.01×10
18
.
Answered by
0
Answer:
The wavelength of light is 4000pm or 4000×10
−12
m or 4000×10
−9
m.
The energy one photon is
λ
hc
=
4×10
−9
6.626×10
−34
×3×10
8
=4.97×10
−17
.
The number of photons that will provide 1 J of energy is
4.97×10
−17
1J
J=2.01×10
18
.
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