The Intensity of the Waves from a Point Source at a Distance

question 65

Multiple Choice

The intensity of the waves from a point source at a distance d from the source is I.At what distance from the sources is the intensity equal to 2I?

• A)d/2
• B)d/ \(\sqrt { 2 }\)
• C)d/4
• D)d/8

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Definitions:

Round Off

The process of adjusting a numerical value to its nearest predetermined value, often simplifying the number for ease of use.

Round Off

The process of adjusting a numerical value to its nearest specified place value, reducing the digits to the right.

Decimal Places

The count of figures positioned after the decimal point within a number.

Divide

A basic mathematical operation involving the division of one number by another to find a quotient.