The Magnitude of a Star Is a Measure of Its

question 22

Multiple Choice

The magnitude of a star is a measure of its brightness, and it is related to the relative intensity of light reaching Earth from the star.The relationship is Magnitude (Relative intensity) .
If relative intensity is multiplied by 100, how is magnitude affected?
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• A) Magnitude is decreased by 2.
• B) Magnitude is increased by 5.
• C) Magnitude is increased by 2.
• D) Magnitude is decreased by 5.

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Definitions:

Axon

A narrow, elongated extension of a neuron that usually transmits electrical signals from the cell body of the nerve cell.

Refractory Period

The period immediately following the transmission of a nerve impulse or the contraction of a muscle during which a nerve or muscle is unresponsive to further stimulation.

Threshold

The point or level at which something begins or changes.

Dendrites

The branched extensions of a neuron that receive signals from other neurons.