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Choose the correct answer: What is the energy (E, in J) of the photons emitted by...

Choose the correct answer:

What is the energy (E, in J) of the photons emitted by an Ar+ laser with a wavelength of l = 488 nm?

a.

2.46 x 1018 J

b.

2.46 x 10–18 J

c.

9.69 x 10–23 J

d.

4.07 x 10–19 J

e.

1.36 x 10–36 J

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Answer #1

1) Relationship between energy.and frequency of electrom agnetic radiation is as follows: Energy of photon, E -hu Here, u->fr

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