A Physics Student Desires to Create a Beam of Light

question 76

Multiple Choice

A physics student desires to create a beam of light that consists of parallel rays.Which one of the following arrangements would allow her to accomplish this task?

• A)A light bulb is placed at the focal point of a convex mirror.
• B)A light bulb is placed at the focal point of a diverging lens.
• C)A light bulb is placed at the focal point of a converging lens.
• D)A light bulb is located at twice the focal length from a concave mirror.
• E)A light bulb is located at twice the focal length from a converging lens.

---

Definitions:

Confidence Interval

A range of values that is likely to contain the true value of an unknown parameter, often used in statistical analysis to indicate the reliability of an estimate.

Two-proportion Z-test

A statistical test used to compare two population proportions to determine if they are different.

Null Hypothesis

In statistical hypothesis testing, it represents the hypothesis that there is no significant difference or effect, serving as the default or initial assumption.

Margin of Error

The amount of error that can be tolerated in statistical results, representing the range within which the true population parameter is expected to lie.