The Light Intensity Incident on a Metallic Surface with a Work

question 68

Multiple Choice

The light intensity incident on a metallic surface with a work function of 3 eV produces photoelectrons with a maximum kinetic energy of 2 eV.The frequency of the light is doubled.Determine the maximum kinetic energy (in eV) .

• A)3
• B)2
• C) \(\sqrt { 2 }\)
• D)4
• E)7

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Definitions:

Economic Profit

The difference between total revenue and total economic costs (including both explicit and implicit costs), reflecting a firm's financial performance.

Perfectly Competitive

A market structure characterized by many buyers and sellers, no barriers to entry, and a homogeneous product.

Long Run

A period in economics where all factors of production and costs are variable, allowing for full industry adjustment.

Economic Profits

The disparity between a company's overall income and the sum of its explicit and implicit expenses.