The Work Function for Tungsten Is 4

question 28

Multiple Choice

The work function for tungsten is 4.58 eV. What is the kinetic energy of electrons emitted when light of wavelength 400 nm is incident on a tungsten surface? Planck's constant h = 6.626 × 10^-34 J · s = 4.136 × 10^-15 eV · s.)

• A) 0.74 eV
• B) 1.5 eV
• C) 7.7 eV
• D) 2.9 eV
• E) No electrons are emitted.

Conduct effective patient assessments focusing on anxiety, including history, coping mechanisms, and associated symptoms.

Recognize medical conditions commonly associated with anxiety.

Select and apply appropriate relaxation techniques in acute anxiety situations.

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