A Helium-Neon Laser Emits Red Light Having a Wavelength of 6.4

question 35

Multiple Choice

A helium-neon laser emits red light having a wavelength of 6.4 *10-7 m and a power of 0.5 mW.How many photons are emitted each second?

• A)6.4*1038
• B)1.6 *1021
• C)3.2 * 1025
• D)2.6* 1018
• E)1.6 * 1015

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Definitions:

Schizophrenic Disorders

A group of severe mental disorders characterized by disordered thoughts, perceptions, and emotions, often including delusions and hallucinations.

Somatoform Disorders

Psychological conditions where patients experience physical symptoms that have no identifiable medical cause, often due to psychological factors.

Mood Disorders

A category of mental health issues characterized by a significant change in a person's mood, such as depression or bipolar disorder.

Inhibited Temperament

A disposition marked by a tendency to avoid or withdraw from unfamiliar people, situations, or environments.