Assertion (A): The object of providing an additional concave lens in the telescope, in a tachometer is to eliminate the additive constant.
Reason (R): The anallatic lens absorbs some of the incident light and to compensate this and to increase the illuminate, a larger object-glass is required.1
Both (A) and (R) are true and (R) is the correct reason for (A)
2
Both (A) and (R) are true but (R) is not the correct reason for (A)
3
(A) is false but (R) is true
4
(A) is true but (R) is false
5
Question Not Attempted