The Graph Shows the Maximum Kinetic Energy of Electrons Emitted

question 2

Multiple Choice

The graph shows the maximum kinetic energy of electrons emitted from a metal as a function of the frequency of the incident light. The work function of the metal is

• A) 6.0 eV.
• B) 4.0 eV.
• C) 2.5 eV.
• D) 0.4 eV.
• E) 4 × 10^-19 eV.

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Definitions:

CNS

The Central Nervous System, consisting of the brain and spinal cord, which acts as the primary control center for processing and transmitting information throughout the body.

Pain

The sensation that warns an individual of damage to the body.

Temperature

A measure of the degree of internal heat energy in a body or environment, influencing physical states and reactions.

Motor Nerves

Nerves that transmit signals from the central nervous system to muscles, thus facilitating movement.