A Light Source Is Flashing on and Off with a Frequency

question 2

Multiple Choice

A light source is flashing on and off with a frequency of 1 Hz.If you were to run really fast (say 80% the speed of light) ,with your direction of motion perpendicular to the direction of the light,you would observe the frequency of the flashing to

• A)decrease.
• B)increase.
• C)remain the same.

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Definitions:

MLU

Mean Length of Utterance, a measure used in linguistics to calculate and analyze the complexity of children's language development by averaging the length of their spoken statements.

Chronological Age

The exact age of an individual as measured in years from the date of birth.

Morpheme

The smallest grammatical unit in a language that carries semantic meaning.

Holophrase

A single word used by an infant that expresses a complex idea or request, indicative of early language development.