A concave lens from real image 4 times magnifacied at a distance of 60cm from a lens calculate focal length and power

A concave lens from real image 4 times magnifacied at a distance of 60

1.	A concave lens from real image 4 times magnifacied at a distance of 60cm from a lens calculate focal length and power
Answer» given :magnification=m=-4[since it is REAL and magnified]V= 60cmobject distance=u=?magnification =m=V/uu= 60/-4 =-15cmFocal length=f=?f=1/v - 1/u=1/60 +1/15=4+1/60=5/60f=60/5=12cms∴ Foal length of convex lens=12cmPower=P=?p=1/f (in m)=100/f ( in cm)=100/12=+8.33 Diopters∴ P=+8.3 Dhope it helps plz mark my ANSWER as the BRAINLIESTTHANK you

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A concave lens from real image 4 times magnifacied at a distance of 60cm from a lens calculate focal length and power​

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A concave lens from real image 4 times magnifacied at a distance of 60cm from a lens calculate focal length and power