Briefly Explain How We Can Use Spectral Lines to Determine

question 78

Essay

Briefly explain how we can use spectral lines to determine an object's radial motion.Can we also learn the object's tangential motion (across our line of sight)from its spectral lines?

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Definitions:

Variable Overhead Efficiency Variance

The difference between the actual variable overhead incurred and the standard cost of variable overhead that should have been incurred based on the efficiency of operations.

Favorable

An accounting term referring to actual results being better than projected or budgeted figures, often used in the context of variances.

Unfavorable

A term often used in finance and accounting to describe a variance or outcome that leads to a worse financial position than expected.

Volume Variance

The difference between the budgeted volume of production or sales and the actual volume, indicating whether a business performed better or worse than expected.