The Critical Angle for a Beam of Light Passing from Water

question 6

Multiple Choice

The critical angle for a beam of light passing from water into air is 48.8°.This means that all light rays with an angle of incidence in the water that is greater than 48.8° will be

• A)totally absorbed by the water.
• B)totally reflected.
• C)partially reflected and partially transmitted.
• D)totally transmitted.

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Definitions:

Reject

In statistical testing, to dismiss the null hypothesis based on evidence that supports the alternative hypothesis.

H0

The notation for the null hypothesis in statistical hypothesis testing, representing no effect or no difference.

Reject

In statistical analysis, to refuse the null hypothesis, concluding there is sufficient evidence to support a significant effect or difference.

H0

Stands for the null hypothesis in statistical hypothesis testing, representing the assumption that there is no significant difference or effect.