The number of photons of light of wavelength 7000A equivalent to 1j are
Ankit5141:
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can you tell me the answer so that i can match with mine
u biy
u boy
my answer is 2.1 x 10 to the power 29
3.52 ×10^18
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hii dear________
good afternoon____________
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
good afternoon____________
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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Here is your answer. hope it helps
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