A Concave Spherical Mirror Has a Focal Length of 12

question 69

Multiple Choice

A concave spherical mirror has a focal length of 12 cm.If an object is placed 6 cm in front of it the image position is:

• A)4 cm behind the mirror
• B)4 cm in front of the mirror
• C)12 cm behind the mirror
• D)12 cm in front of the mirror
• E)at infinity

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Definitions:

Validity Effect

The phenomenon where a belief or a statement is more likely to be accepted as true the more it is repeated or encountered, regardless of its actual validity.

Exposure Effect

The psychological phenomenon where repeated exposure to a stimulus increases an individual's preference for that stimulus.

Contrast Effect

A psychological phenomenon wherein the perception or judgment of something is influenced by the comparison with something else, often leading to exaggeration of differences.

Appeal to Fear

A persuasive technique that attempts to influence people’s behavior by making them feel afraid of the consequences of not taking a particular action.