If the Binding Energy of an Electron Is 6

question 9

Multiple Choice

If the binding energy of an electron is 6.41 × 10 ^{− 19} J, what wavelength of photon is required to liberate it from the atom? Planck's constant = 6.626 × 10 ^{− 34} J ⋅ s; c = 3.00 × 10⁸ m/s

• A) 311 nm
• B) 641 nm
• C) 1.53 μ m
• D) 2.18 μ m

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system responsible for the body's 'fight or flight' response to stress.

Self-Awareness

The conscious knowledge of one’s own character, feelings, motives, and desires, critical for personal development and emotional intelligence.

Stimulants

Substances that increase activity in the nervous system to boost alertness, attention, and energy.

Depressants

Substances that reduce the activity of the central nervous system, often used to induce calmness or sleep.