A Quantum of Radiation Has an Energy of 1

question 51

Multiple Choice

A quantum of radiation has an energy of 1.5 keV.What is its frequency? (h = 6.63 × 10−³⁴ J⋅s and 1 eV = 1.60 × 10−¹⁹ J)

• A)3.6E+14 Hz
• B)3.6E+17 Hz
• C)2.3E+17 Hz
• D)2.4E+18 Hz
• E)​1.4E+17 Hz

Learn how interest rates affect the supply of loanable funds and investment decisions.

Understand the functions and outcomes of usury laws in credit markets.

Comprehend the concept of normal profit and economic cost.

Appreciate the role of profit and risk in business operations.

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Definitions:

Securities

Securities that signify ownership in a corporation listed on the stock market, a debt obligation with a government entity or company (bond), or entitlements to ownership through an option.

Day of Record

The date set by a company on which the investors must be on the company's books in order to receive a dividend.

Money Market Instruments

Short-term debt instruments, usually with a maturity of less than one year, used for borrowing and lending in the money market.

Commercial Paper

An unsecured, short-term debt instrument issued by corporations to finance their immediate operational needs, characterized by its low-risk and short maturity period.