Q. 17 to 20 consists of two statements - Assertion (A) and Reason (R), answer these questions selecting the appropriate option given below:

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true and (R) is not correct explanation of (A).

(A) is true, but (R) is false.

(A) is false, but (R) is true. 17. Assertion (A) : Red light signals are used to stop the vehicles on the road. Reason (R) : Red coloured light is scattered the most so as to be visible from a large distance.