Question

power of lens is +10 D. find its focal length. what is what kind of lens is this?

Answer 1

Lens which must be used is convex lens

Answer 2

we know the formula

power = 1/focal length

10 = 1/f

f = 1/10 = .1 m

i took it as meter cuz in this types of problems it is in meter

it is a convex lens becuz the focal length of a convex mirror is always positive and that of concave is always negative

plz mark my answer as brainliest

plz