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SSSSS [86.1K]
2 years ago
5

The speed of all electromagnetic waves is 3. 00 × 108 meters per second. What is the wavelength of an X-ray with a frequency of

1. 18 × 1018 Hz? 2. 54 × 1026 meters 3. 93 × 109 meters 2. 54 × 10-10 meters 3. 93 × 10-11 meters.
Physics
1 answer:
SSSSS [86.1K]2 years ago
4 0
Fr yyy guy guy tyy tyy
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S Four point charges each having charge Q are located at the corners of a square having sides of length a. Find expressions for(
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The total electric potential at the center of the square due to the four charges is V  = √2Q/πÈa.

<h3>What do you mean by electric potential? </h3>

The amount of work needed to move a unit charge from a reference point to a specific point against an electric field. It's SI unit is volt.       

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Electric potential at O due to four charges is given by,

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V  = √2Q/πÈa

The total electric potential at the center of the square due to the four charges is V  = √2Q/πÈa.

To learn more about electric potential refer to:

brainly.com/question/12645463

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(1.08×10-3)(9.3×10-4)
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