Suppose the Wavelength of the 656

question 76

Multiple Choice

Suppose the wavelength of the 656.3-nm line in the hydrogen spectrum is shifted to 656.8 nm for light from a particular star.What can you deduce for the speed of the star relative to us?

• A)914 km/s toward us
• B)457 km/s toward us
• C)914 km/s away from us
• D)none of these answers
• E)457 km/s away from us

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Definitions:

Wage Differences

The variation in pay for employment that may arise from factors like occupation, experience, education, and sometimes gender or ethnicity.

Median Earnings

The middle value of earnings in a given distribution, such that half of the population earns more and the other half earns less.

Labor Market

The supply of available workers in relation to available work.

Median Earnings

The middle value of earnings in a given distribution, such that half of the population earns more and half earns less.