A Laser Falls into a Black Hole,but It Continues to Emit

question 40

Multiple Choice

A laser falls into a black hole,but it continues to emit light directly away from the black hole as it does so.How does the light appear to a distant observer as the laser gets closer to the black hole?

• A) The light appears to slow down.
• B) The light becomes redder.
• C) The light begins to orbit the black hole.
• D) The light becomes brighter.

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Definitions:

Stomach Ulcers

Sores that develop on the lining of the stomach, upper small intestine, or esophagus, often resulting from Helicobacter pylori infection or the use of NSAIDs.

Helicobacter Pylori

A type of bacteria that infects the stomach lining and is associated with ulcers and some forms of stomach cancer.

Escherichia Coli

A type of bacteria commonly found in the intestines of humans and animals, some strains of which can cause food poisoning.

Basal Metabolic Rate

Rate at which the body uses energy when at rest.