What Is the Frequency (, in Hz) of the Photons

question 72

Multiple Choice

What is the frequency (, in Hz) of the photons emitted by a He-Ne laser with a wavelength () of 632.8 nm?

• A) 4.738  10⁵ Hz
• B) 1.897  10² Hz
• C) 1.897  10¹¹ Hz
• D) 4.741  10¹⁴ Hz
• E) 1.897  10¹⁴ Hz

Recognize the significant debate between nature and nurture and their combined influence on development.

Identify methods and perspectives used by developmental psychologists to study growth and change.

Understand age-specific developmental stages and types of changes, including global, qualitative, and quantitative changes.

Appreciate the implications of psychological theories and perspectives for real-world applications, including social policies.

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Definitions:

Accounting Numbers

Quantitative financial data reported in the financial statements of a company, representing its economic activities.

Unsecured

Pertaining to loans or debts that are not backed by collateral, making them riskier for lenders.

Debenture

A type of debt instrument that is not secured by physical assets or collateral but is based on the issuer's creditworthiness and reputation.

Risk Premium

The additional return over the risk-free rate that an investment is expected to yield, compensating investors for taking on higher risk.