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Grade: 12 

                        
question is in the image answer fast please It s a Question of Ray optics . tomorrow is my test answer please
3 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8407 Points 
							Dear student

1/f    =   (u-1)(1/r)

u =4/3

Regards
5 months ago
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