Which of the Following Statements About X-Rays and Radio Waves

question 77

Multiple Choice

Which of the following statements about X-rays and radio waves is not true?

• A)Neither X-rays nor radio waves can penetrate the earth's atmosphere.
• B)X-rays have shorter wavelengths than radio waves.
• C)X-rays and radio waves are both forms of light,or electromagnetic radiation.
• D)X-rays have higher frequency than radio waves.
• E)X-rays have higher energy than radio waves.

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Definitions:

Contribution Margin Ratio

The percentage of sales revenue that exceeds variable costs, indicating the portion contributing to fixed costs and profit.

Selling Price

The amount a customer pays to purchase a product or service from a business.

Operating Leverage

A measure of how revenue growth translates into growth in operating income, due to fixed costs in a company's structure.

Net Income

This is the total profit of a company after all expenses, including taxes and operating costs, have been subtracted from total revenue.