What Wavelength Monochromatic Source in the Visible Region (390 to 710

question 54

Multiple Choice

What wavelength monochromatic source in the visible region (390 to 710 nm) can be used to constructively reflect off a soap film (n = 1.46) in air if the film is 288 nm thick?

• A) 561 nm
• B) 480 nm
• C) 587 nm
• D) 467 nm

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Definitions:

Replicable

Capable of being repeated or duplicated under similar conditions, a critical criterion for scientific research to verify results.

Double-blind Study

A research method in which neither the participants nor the researchers know who is receiving the experimental treatment, to prevent bias.

Independent Variable

In an experiment, the variable that is intentionally changed or manipulated to observe its effect on a dependent variable.

Statistically Significant

A term used to describe a result that is not likely to occur randomly, but rather is likely to be attributable to a specific cause.