Two Light Sources Are Said to Be Coherent If They

question 38

Multiple Choice

Two light sources are said to be coherent if they

• A)are of the same frequency.
• B)are of the same amplitude.
• C)are of the same frequency, and maintain a constant phase difference.
• D)are of the same amplitude, and maintain a constant phase difference.
• E)are of the same frequency and amplitude.

---

Definitions:

Portfolio

A collection of financial investments like stocks, bonds, commodities, cash, and cash equivalents, including closed-end funds and exchange traded funds.

Diversification

A risk management strategy that mixes a wide variety of investments within a portfolio to reduce exposure to any single asset or risk.

Insurance

A financial product that provides compensation for specific losses or damages in exchange for regular payments, known as premiums.

Expected Return

The anticipated return on an investment, calculated as the weighted average of all possible returns, weighted by the likelihood of each outcome.