Question

an object is placed at a distance 10cm from a lens of power -4 d find the position and nature of the image so formed​

Answer 1

You can use the formula of power

P=1/f

by the way you find focal length

and then use the formula of lens= 1/v-1/u=1/f

Answer 2

Answer: MARK IT AS BRAINLIEST

so here

You can use the formula of power

as ,,,

P=1/f

by the way you find focal length  then

and then use the formula of lens= 1/v-1/u=1/f

Explanation: