A Telescope That Uses a Lens to Bring Radiation to a Focus

question 8

Multiple Choice

A telescope that uses a lens to bring radiation to a focus is called a

• A)Radio telescope
• B)Reflector
• C)Refractor
• D)Photometer

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Definitions:

Disposable Income

The amount of income left for an individual or household after paying all taxes, available for spending, saving, or investing.

Autonomous Consumption

The level of consumption that occurs when income is zero, showing the basic level of consumption necessary for survival.

Permanent Income Hypothesis

A theory suggesting that people's consumption decisions are based on their long-term income expectations rather than their current disposable income.

Negative Savings

A situation where spending exceeds income, resulting in a deficit rather than savings.