Neutral Hydrogen Is Most Obvious in the Electromagnetic Spectrum

question 100

Multiple Choice

Neutral hydrogen is most obvious in the electromagnetic spectrum:

• A)in yellow light of the Sun's continuum.
• B)at 656.3 nm, hydrogen alpha red.
• C)at 21 cm in the radio region.
• D)at 121.3 nm, the Lyman alpha ultraviolet line.
• E)Neutral hydrogen has yet to be detected in space.

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Definitions:

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, leading consumers to replace more expensive items with cheaper substitutes.

Output Effect

The impact that changes in production levels have on a company's total revenue, often influenced by market demand and price.

Fixed Proportions

A production scenario where inputs must be combined in strict, fixed ratios to produce an output, allowing no substitutions.

MRP

Stands for Material Requirements Planning, a system for calculating the materials and components needed to manufacture a product.