Which Statement About Light Is True

question 153

Multiple Choice

Which statement about light is true?

• A) An absorption spectrum is a plot of biological effectiveness versus wavelength.
• B) An absorption spectrum may be a good means of identifying a pigment.
• C) Light need not be absorbed to produce a biological effect.
• D) A given kind of molecule can occupy any energy level.
• E) A pigment loses energy as it absorbs a photon.

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Definitions:

Birth Process

The series of physiological and mechanical events that occur during the end of pregnancy, culminating in the delivery of a baby.

Motor Schemas

Frameworks or patterns of movement that are learned through practice and experience, facilitating the ability to perform tasks involving motor skills.

Mental Representation

An internal depiction of an object; thinking of an object using mental pictures.

Equilibrium

A state of balance or stability within a system, achieved when competing forces or influences are equal.