If the Frequency of Light Causing Photoemission of Electrons Is

question 27

Multiple Choice

If the frequency of light causing photoemission of electrons is doubled,the kinetic energy of the ejected electrons

• A)increases by a factor of
• B)doubles.
• C)decreases by a factor of 2.
• D)increases by a factor less than two.
• E)increases by a factor more than two.

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Definitions:

Muscle Fibers

Muscle fibers are individual muscle cells, known for their elongated shape and capability for contraction, contributing to body movement and force production.

Myosin Phosphatase

An enzyme that dephosphorylates myosin light chains, which is crucial for muscle relaxation.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the passage of substances in and out of the cell.

Action Potentials

Electrical impulses that neurons use to transmit signals along their axons, fundamental for neural communication.