The Hydrogen Lines of Spectral Type a Main Sequence Stars

question 68

Multiple Choice

The hydrogen lines of spectral type A main sequence stars are ____.

• A) the strongest
• B) the weakest
• C) the most narrow
• D) useful in determining apparent magnitude
• E) used to estimate the luminosity of the star

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Definitions:

Defaulted Note

A debt instrument that has not been repaid according to the agreed terms, indicating the borrower has failed to meet its obligations.

Discount Period

The time frame in which a discount is available or the period between a debt's issuance and its maturity during which a discount is applied.

Discounted Note

Refers to a promissory note issued at a price lower than its principal value, to be redeemed at face value at maturity.

Maturity Date

The specified date on which the principal amount of a bond, loan, or other financial instrument is due to be paid in full.