If Telescope a Is 160 Cm in Diameter, and Telescope

question 44

Multiple Choice

If telescope A is 160 cm in diameter, and telescope B is 32 cm in diameter, how much more light does telescope A gather than telescope B?

• A) 5 times
• B) 10 times
• C) 20 times
• D) 25 times
• E) 100 times

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Definitions:

Iconic Memory

A type of visual sensory memory that holds an exact copy of the scene in front of a person for a very brief period of time.

Sensory Memory

The shortest-term element of memory, which allows the ability to retain impressions of sensory information after the original stimuli have ended.

Short-Term Memory

Short-term memory is a cognitive system that temporarily holds a limited amount of information in an active, readily available state for a short period of time, typically seconds to a few minutes.

Long-Term Memory

The phase of the memory process that is capable of storing information for prolonged periods of time, potentially indefinitely.