DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below Assertion A: The explosion of a fire cracker sis a physical changes. Reason R: A physical change is a reversible change.

• A. Both A and R are true and R is the correct explanation of A.
• B. Both A and R are true but R is not the correct explanation of A.
• C. (a - incident ray), (b - normal ray), (c - reflected ray), (d - angle of reflection)
• D. A is false but R is true.