Question

An object 6cm in height is placed 12cm in front of concave lens of focal length 18cm . Write or find the values of h,h’,v,u,m,f,r and p (show calculation where necessary) write about the nature ,size and position of the image .

Answer 1

f is focal length
u is object distance from lens
v is image distance from lens
O is object size
I is image size
M is linear magnification

Plz communicate if there is any mistake in my calculations..