What Is the Frequency $\nu$ In Hertz) of the Photons Emitted by a HeNe Laser

question 139

Multiple Choice

What is the frequency ( $\nu$ in hertz) of the photons emitted by a HeNe laser with a wavelength ( $\lambda$ ) of 632.8 nm?

• A)4.738 * 10⁵ Hz
• B)1.897 * 10² Hz
• C)1.897 * 10¹¹ Hz
• D)4.738 *10¹⁴ Hz
• E)1.897 *10¹⁴ Hz

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Definitions:

Cardiac Muscle

A type of involuntary striated muscle found exclusively in the heart, enabling it to contract and pump blood throughout the body.

Smooth Muscle

A type of muscle found in the walls of internal organs and blood vessels, controlled involuntarily.

ACSM

The American College of Sports Medicine, an organization focused on sports medicine and exercise science.

Reps

Short for repetitions, the number of times an exercise movement is performed in a set during strength training.