The Wavelength of the Hydrogen Line from Level 1 to Level

question 12

Multiple Choice

The wavelength of the hydrogen line from level 1 to level 2 in a hot star is ____________ the wavelength of the same line in a cool star.The stars have the same radial velocities away from the earth.

• A) larger than.
• B) the same as
• C) smaller than
• D) not enough information to answer

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Definitions:

Uniform Distribution

A distribution in which all outcomes are equally likely; a flat distribution where every value has the same probability.

Expected Frequency

The theoretical number of times an outcome is anticipated to occur in a statistical experiment based on the total number of observations and the probabilities of outcomes.

Uniformly Distributed

Describes a distribution where all outcomes are equally likely to occur.

Capital Punishment

A legal penalty where a person is sentenced to death by the state as punishment for a crime.