The Mass of a Visual Binary Pair of Stars Can

question 51

Multiple Choice

The mass of a visual binary pair of stars can be obtained from

• A) the time in years for them to orbit one another.
• B) the size of their orbit.
• C) their apparent magnitudes.
• D) both A and B

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Definitions:

Reserve Requirement

The minimum amount of reserves a bank must hold against deposits, set by central banks to ensure bank liquidity and stability.

Deposits

Funds placed in a bank account that can be withdrawn by the account holder, typically used for safekeeping or to earn interest.

Money Supply

The total amount of money in circulation or in existence within a country, including cash and deposits.

Reserve Requirement

The minimum amount of funds that a bank must hold in reserve against deposits made by customers.