Suppose You Drop a Clock Toward a Black Hole

question 100

Multiple Choice

Suppose you drop a clock toward a black hole.As you look at the clock from a high orbit,what will you notice?

• A)Time on the clock will run faster as it approaches the black hole,and light from the clock will be increasingly blueshifted.
• B)The clock will fall toward the black hole at a steady rate,so that you'll see it plunge through the event horizon within just a few minutes.
• C)The clock will fall faster and faster,reaching the speed of light as it crosses the event horizon.
• D)Time on the clock will run slower as it approaches the black hole,and light from the clock will be increasingly redshifted.

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Definitions:

REM Sleep

Sleep characterized by rapid eye movements, EEG patterns similar to wakefulness, speeded heart rate and respiration, near-paralysis of skeletal muscles, and highly visual dreams.

Rapid Eye Movements

Quick, jerky movements of the eyes that occur during certain stages of sleep, especially REM sleep, associated with dreaming.

Snoring

The loud breathing sound occurring during sleep, caused by the vibration of respiratory structures due to obstructed air movement.

Workspace Neurons

A theoretical concept suggesting there are specialized neurons in the brain that integrate information from various sources to create a temporary cognitive workspace.