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What is power (in watt) of a light sourc...

What is power (in watt) of a light source emitting `7.25 xx 10^(18)` photons per second, while the wavelength of light is `620 nm` ? (use `hc = 12400 eVÅ`)

A

23.2

B

22.3

C

2.32

D

21

Text Solution

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The correct Answer is:
A
Which of the following ………
functional isomers.
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