When Ultraviolet Photons with a Wavelength of 3

question 53

Multiple Choice

When ultraviolet photons with a wavelength of 3.45 × 10^-⁷ m are directed at the surface of an unknown metal in vacuum,electrons with a maximum kinetic energy of 1.52 eV are emitted from the surface.What is the work function of the metal?

• A)3.60 eV
• B)3.11 eV
• C)2.59 eV
• D)2.08 eV
• E)1.98 eV

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Definitions:

Body Mechanics

The study and application of proper body movement to prevent injury and promote efficient movement.

Lifting Object

The act of raising or moving an object from a lower to a higher position through physical strength or mechanical means.

Intervertebral Disks

Cushion-like pads situated between vertebrae in the spine that act as shock absorbers and facilitate movement.

Back Problems

Issues or disorders affecting the spine or back muscles, often causing pain and discomfort.