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an object O is moving towards a concave mirror of focal length 30cm . find velocity of image when object is at a distance 20cm from the mirror.

harshit , 9 Years ago
Grade 12
anser 1 Answers
Himanshu

Last Activity: 9 Years ago

Use the formula velocity of image =-( f^2÷ (u-f)^2)*velocity of object put the values and obtain the image velocity …this is a direct formula plss tell is you want a proof

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