Question

Find the power of
concave lens
lens of focal length
60 m​

Answer 1

Answer:

Explanation:

Answer

   Given that, Focal length of the concave lens, f = 2 m.

   To find, Power of the lens.

   Solution, The relation between power and focal length of the lens is inverse. Power is given by : P = 1/f.

   f is the focal length of the lens and it is negative for concave lens.

Oct 21, 2017