In the Case of Light, When a Source Is Moving

question 57

Multiple Choice

In the case of light, when a source is moving away, its light appears ___________than it actually is.

• A) redder
• B) bluer
• C) whiter
• D) greener

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Definitions:

K

The chemical symbol for Potassium, an essential dietary mineral and electrolyte involved in nerve function, muscle contraction, and fluid balance.

HA

Depending on context, this can refer to Hyaluronic Acid, a molecule involved in skin hydration and cellular functions, or Hemagglutinin, a protein on the surface of influenza viruses responsible for binding the virus to the host cell.

pH

A measurement system designed to determine the level of acidity or alkalinity in water-based solutions, marked on a continuum from 0 to 14.

K

In the context of chemistry, often represents the equilibrium constant, symbolizing the ratio of product concentrations to reactant concentrations at equilibrium.