Assume Electrons Are Accelerated Through a Potential Difference of 25000

question 32

Multiple Choice

Assume electrons are accelerated through a potential difference of 25000 V inside a TV picture tube. What is the minimum wavelength that could be produced when the electrons strike the phosphor? (1 Å = 10−¹⁰ m)

• A) 0.50 Å
• B) 1.0 Å
• C) 10 Å
• D) 100 Å
• E) 0.25 Å

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Definitions:

Apocrine Glands

Sweat glands located mainly in the underarm and genital areas that release sweat when the body is under stress or emotional excitement.

Cilia

Microscopic, hair-like structures on the surface of cells, which move in a wave-like fashion to transport substances.

Cranial Nerves

Nerves that emerge directly from the brain, in contrast to spinal nerves, and are numbered from I to XII, each with specific functions related to senses and movement.

Organ of Corti

The sensory organ located within the cochlea of the inner ear, critical for the process of hearing by converting sound vibrations into neural signals.