Question

What is the focal length of a lens which has a power -1D in cm ? 1 Assertion (A) and Reason (R) For question numbers 14 15 and 16 two statements are given - one labelled Assertion (A) and other labelled Reason (R). Select the correct answer to these questions from the codes (i) (ii) (iii) and (iv) as given below: (i) Both A and R are true and R is the correct explanation of the assertion. (ii) Both A and R are true but R is not the correct explanation of the assertion (iii) A is true but R is false (iv) A is false but R is true​

Answer 1

Answer:

ch no to that effect on the