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Q. 49

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 903

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Short Answer

The maximum electric field strength in air is . Stronger electric fields ionize the air and create a spark. What is the maximum power that can be delivered by a -diameter laser beam propagating through air

Maximum power is .

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Step by Step Solution

Step 1: Calculation for intensity

Given info:

Electric field is.

Distance is

Intensity:

Step 2: Calculation of power

Power:

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