Where Does the Paschen Series of Spectral Lines from Hydrogen

question 161

Multiple Choice

Where does the Paschen series of spectral lines from hydrogen gas appear in the electromagnetic spectrum?

• A) radio range, with wavelengths longer than 0.01 m or 10 mm
• B) ultraviolet region, with wavelengths between 90 nm and 130 nm
• C) infrared, with wavelengths longer than 700 nm
• D) visible region, with wavelengths between 350 nm to 660 nm

---

Definitions:

Stock Market Boom

A period of significant and rapid increases in the value of shares traded on stock exchanges, often reflecting optimism about the economy.

Aggregate Demand

Total inquiry for all types of goods and services in an economic framework, established at a given price level within a set time limit.

Federal Reserve

The central banking system of the United States, responsible for monetary policy, banking supervision, and financial stability.

Money-Demand Curve

A graphical representation illustrating the relationship between the quantity of money people want to hold and the interest rate.