A Laser Emits a Single,3

question 26

Multiple Choice

A laser emits a single,3.0-ms pulse of light that has a frequency of 2.83 × 10¹¹ Hz and a total power of 65 000 W.How many photons are in the pulse?

• A)6.0 × 10²³
• B)1.2 × 10²⁴
• C)2.4 × 10²⁵
• D)3.6 × 10²⁵
• E)4.8 × 10²⁶

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Definitions:

Informative

Providing useful or significant information or data about a subject or topic.

One-Point Rule

A mathematical principle used in decision making that states if a certain condition is met or not met, a specific action should be taken or avoided.

Runs Rule

A non-parametric statistical test that checks for randomness in a data sequence.

Out-Of-Control Signal

An indication, often from a control chart, that the process variability is exceeding the predetermined control limits.