If the Spectrum of a Sunspot Shows That It Has

question 20

Multiple Choice

If the spectrum of a sunspot shows that it has a maximum intensity at 650 nm,what is the temperature of the sunspot?

• A) 650 K
• B) 5000 K
• C) 1950 K
• D) 4600 K
• E) 10,000 K

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Definitions:

Rate of Return

The percentage of increase or decrease in the value of an investment over a given period, adjusted for any payouts.

Interest Income

The income earned on funds deposited or invested, including interest payments from savings accounts, certificates of deposit, bonds, and loans.

Growing Annuity

A series of periodic payments that grow at a constant rate per period, often used to calculate the present value of future payments that increase over time.

Present Value

The immediate valuation of a prospective sum of money or sequences of cash payments, utilizing a certain return rate.