When Radiation Has a Frequency of 1

question 144

Multiple Choice

When radiation has a frequency of 1.5 * 10¹⁵ Hz, what is its wavelength?

• A) 3.0 * 10^-11 m
• B) 4.2 * 10^-7 m
• C) 2.0 * 10^-7 cm
• D) 2.0 * 10^-7 m
• E) 2.0 * 10^-8 m

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Definitions:

Myelin Sheath

A fatty layer that covers and insulates nerve fibers to enhance the speed of electrical impulses.

Nodes of Ranvier

Gaps in the myelin sheath of a nerve fiber where the axon is exposed, allowing for the rapid transmission of nerve impulses through saltatory conduction.

Internodes

Sections of a plant stem between two nodes, where leaves and branches are attached.

Glial Cells

Non-neuronal cells in the central and peripheral nervous systems that provide support and protection for neurons.