The Two Lenses Shown Are Illuminated by a Beam of Parallel

question 6

Multiple Choice

The two lenses shown are illuminated by a beam of parallel light from the left. Lens B is then moved slowly toward lens A. The beam emerging from lens B is:

• A) initially parallel and then diverging
• B) always diverging
• C) initially converging and finally parallel
• D) always parallel
• E) initially converging and finally diverging

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Definitions:

Hair-Pulling Disorder

also known as trichotillomania, a mental health disorder characterized by an irresistible urge to pull out one’s hair, leading to noticeable hair loss.

Skin-Picking Disorder

A disorder characterized by recurrent picking at scabs or places on the skin, creating significant lesions that often become infected and cause scars.

Hoarding

A compulsive disorder characterized by the inability to throw away unneeded possessions (such as trash).

Adaptive Fear

A beneficial form of fear that helps individuals avoid dangerous situations.