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Please give me solution for the question in the image providing formula to use .

Please give me solution for the question in the image providing formula to use .

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Grade:11

1 Answers

Adarsh
768 Points
6 years ago
First of all we will calculate image distance by using mirror formula , and we get v = 200/3cm.
Magnification = -v/u = Hi/Ho    
so,   magnification = 200/120 
and height of image = 200/120 x 7.5 = 2.89 cm.. this is not given in your option but the method is correct..
Thanks and Regards
Adarsh

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