The H _$\delta$ Line Has a Wavelength of 410 $\delta$ Line Appears in a Stars Spectrum at 410

question 61

Multiple Choice

The H _$\delta$ line has a wavelength of 410.2 nm when observed in the laboratory. If the H _$\delta$ line appears in a stars spectrum at 410.0 nm, what is the radial velocity of the star?

• A) 146 km/s away from the observer
• B) 146 km/s toward the observer
• C) 6.0*10⁷ m/s away from the observer
• D) 6.0*10⁷ m/s toward the observer
• E) The radial velocity of the star cannot be determined from this information.

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Z Statistic

A type of standard score that indicates how many standard deviations an element is from the mean of its population.

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