A Spectral Line of a Certain Star Is Observed to Be

question 45

Multiple Choice

A spectral line of a certain star is observed to be "red shifted" from a wavelength of 500 nm to a wavelength of 1500 nm. Interpreting this as a Doppler effect, the speed of recession of this star is:

• A) 0.33c
• B) 0.50c
• C) 0.71c
• D) 0.8c
• E) c

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Definitions:

Collateralized Borrowing

Obtaining a loan by pledging an asset as security for the loan, which the lender can seize if the borrower defaults.

Assets

Resources owned by a company that provide future economic benefits.

Liabilities

Financial obligations or debts that an entity owes to others, which must be settled over time through the transfer of economic benefits.

Surrenders Control

The action of relinquishing authority, power, or ownership over an entity, asset, or decision-making process to another party.