As Sound Travels,the Width of the Beam Remains Unchanged

question 71

True/False

As sound travels,the width of the beam remains unchanged.

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Definitions:

Invest

The process of investing funds or assets in a project with the aim of earning extra income or gains.

Simple Interest

Interest calculated only on the principal amount, or initial investment, not on the accumulated interest of previous periods.

Compounded Annually

A method of calculating interest where the interest earned each year is added to the principal, so that the balance doesn't merely grow, it grows at an increasing rate.

Annual Rate of Interest

The yearly interest rate charged on borrowed money or paid on investments, expressed as a percentage of the principal.