What Is the Energy of a Mole of Photons with a Frequency

question 79

Multiple Choice

What is the energy of a mole of photons with a frequency of 9.1 * 10¹⁵ Hz?

• A) 3.6 * 10^-5J/mol
• B) 3.6 * 10⁶J/mol
• C) 2.8 * 10^-7J/mol
• D) 2.8 * 10⁷J/mol
• E) 7.0 * 10⁶J/mol

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Definitions:

Profitability Index

A financial metric that measures the return on investment for a project or investment by dividing the present value of future cash flows by the initial investment.

Investment Proposals

Formal suggestions or plans put forward for consideration or discussion, especially regarding potential business investments.

Simple Rate Of Return

The rate of return computed by dividing a project’s annual incremental net operating income by the initial investment required.

Salvage Value

The estimated residual value of an asset at the end of its useful life, representing what it could be sold for or scrapped.