The Main Problem That Physicists Had in Understanding Blackbody Radiation

question 51

Multiple Choice

The main problem that physicists had in understanding blackbody radiation before Planck's work was:

• A)Blackbody radiation came from objects that were not actually black.
• B)The classically predicted frequency spectrum showed an infinitely large peak at low frequencies.
• C)The classically predicted frequency spectrum showed an infinitely large peak at high frequencies.
• D)The classically predicted frequency spectrum had a minimum intensity rather than a maximum as observed.
• E)The classically predicted frequency spectrum had a maximum intensity that decreased with temperature, rather than increasing as observed.

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Definitions:

Motor Cortex

A region of the cerebral cortex involved in planning, controlling, and executing voluntary movements.

Primary Visual Cortex

The part of the cerebral cortex that receives and processes visual information from the eyes, located in the occipital lobe.

Motor Cortex

The region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.

Frontal Lobes

Regions of the brain implicated in executive functions, including planning, impulse control, and emotional regulation.