A Certain Part of the Electromagnetic Spectrum Ranges From $200 \mathrm {~nm}$

question 19

Multiple Choice

A certain part of the electromagnetic spectrum ranges from $200 \mathrm {~nm}$ to $400 \mathrm {~nm}$ . What is the lowest frequency associated with this portion of the spectrum? $\left( c = 3.00 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

• A) \(7.50 \times 10^{13} \mathrm {~Hz}\)
• B) \(7.50 \times 10^{15} \mathrm {~Hz}\)
• C) \(1.50 \times 10^{15} \mathrm {~Hz}\)
• D) \(1.50 \times 10 ^ { 14 } \mathrm {~Hz}\)
• E) \(7.50 \times 10 ^ { 14 } \mathrm {~Hz}\)

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Definitions:

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A neurotransmitter in the brain that plays a critical role in the reward system, motivation, pleasure, and motor function.

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The state of heightened brain activity and alertness, involving physiological and psychological responses.

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Positioned at the leading edge of each cerebral hemisphere, this portion of the brain plays a key role in controlling voluntary actions, articulating language, and administering high-level executive functions.