Which Has the Larger Light-Gathering Power

question 4

Multiple Choice

Which has the larger light-gathering power?

• A) A telescope of 5 cm diameter and focal length of 50 cm.
• B) A telescope of 6 cm diameter and focal length of 100 cm.
• C) A telescope of 2 cm diameter and focal length of 100 cm.
• D) A telescope of 3 cm diameter and focal length of 75 cm.
• E) Both b and c since they have the same focal length

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Definitions:

Unconditioned Stimulus

A stimulus that inherently and instinctively elicits a reaction without needing any learned behavior.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with an unconditioned stimulus.

Conditioned Stimulus

An initially neutral stimulus that, after association with an unconditioned stimulus, triggers a conditioned response.

Unconditioned Response

An automatic, innate reaction to a stimulus without prior learning or conditioning.