You Are Looking at Your Face at a Distance of 20

question 20

Multiple Choice

You are looking at your face at a distance of 20 cm in front of a concave mirror with a focal length of 30 cm. What is the size of the image of your face compared to its real size?

• A)half as large
• B)1.5 times larger
• C)2 times larger
• D)3 times larger

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Definitions:

Serial Position Curve

A phenomenon in educational and cognitive psychology that describes how the position of an item in a series affects the probability of it being recalled.

Free Recall Curve

A graphical representation showing the pattern of memory recall over time, typically indicating that items at the beginning and end of a list are remembered better than those in the middle.

Mirage Effect

An optical phenomenon where light rays are bent to produce a displaced image of distant objects or the sky, often seen on hot surfaces.

Long-Term Memory

A type of memory responsible for the storage of information over extended periods, potentially as long as a lifetime.