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Grade: 11

                        

the separation between a point source of light on a screen is increased by 1.5 % , the percent change in the intensity is?

3 years ago

Answers : (2)

Limra
13 Points
							The intensity follows an inverse metre relationship so I is equal to 1 by m square hence the percentage change in intensity will be 1.5 square inverse which is 2.55 approximately equal to 3% decrease
						
2 years ago
Esha chopra
15 Points
							
Intensity is inversely proportional to the sq. Of the distance therefore approx. It will fetch you an answer of 3%
2 years ago
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