A Helium-Neon Laser Emits Red Light Having a Wavelength of 632.8

question 27

Multiple Choice

A helium-neon laser emits red light having a wavelength of 632.8 nm and a power of 0.50 mW.How many photons are emitted each second? (h = 6.63 x 10^-34 J*s,c = 3.00 x 10⁸ m/s,and 1 nm = 10^-9 m)

• A)1.6 x 10¹⁵
• B)3.3 x 10¹⁶
• C)4.8 x 10¹⁷
• D)2.6 x 10¹⁸

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The network of laws, institutions, and government agencies responsible for enforcing the law, adjudicating criminals, and correcting criminal conduct.

Logical Outcome

The result that naturally follows from a set of conditions or actions based on logic or reasoning.

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