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The Doppler Effect Causes Light from an Object Moving Away

question 41

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The Doppler effect causes light from an object moving away from Earth to reach us at a lower frequency than it had when it was emitted.


Definitions:

Impending Occurrence

An anticipated event that is about to happen or likely to occur in the near future.

Unconditioned Stimulus

In the context of classical conditioning, a stimulus that effortlessly and automatically provokes a response with no prior instruction.

Generalization

The process by which the brain applies learned responses to similar stimuli beyond the original situation.

Conditioned Response

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

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