Where should an object be placed in front of a convex lens of focal length 0 12 m to obtain - Science - Light - Reflection and Refraction

Question

Where should an object be placed in front of a convex lens of focal
length 0 12 m to obtain a real image of size three times the size
of the object, on the screen?

Vaibhav T. · Accepted Answer

Dear Student,

Kindly ask different queries in different thread Also, refer the
solution of 4th question
magification, m=vu3=vuv=3uaccording to lens formula,1v-1u=1f13u-1u=10
121-33u=10 12-0 24=3uu=-0 08 m

Where should an object be placed in front of a convex lens of focal length 0.12 m to obtain a real image of size three times the size of the object, on the screen?