The Energy of a Photon That Has a Frequency of 18.21

question 81

Multiple Choice

The energy of a photon that has a frequency of 18.21 × 10¹⁵ s^{- 1} is _ _ J.

• A) 3.49 × 10^{- 48}
• B) 1.99 × 10^{- 25}
• C) 5.44 × 10^{- 18}
• D) 1.21 × 10^{- 17}
• E) 5.44 × 10^{- 18}.

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Definitions:

Flexible Exchange Rates

A currency system where the price of a country's currency is set by the forex market based on supply and demand relative to other currencies.

Macroeconomic Instability

Occurs when an economy experiences high levels of volatility in factors such as inflation, growth rates, and unemployment, often leading to economic downturns.

Comparative Advantage

The ability of an entity to produce a good or service at a lower opportunity cost than others, promoting trading benefits.

Trade Patterns

The trends and regularities observed in international trade, including what goods and services are traded, and with which partners countries trade.