15. Given below are two statements: one is labeled as Assertion A and the other is labeled as Reason R. 16. Assertion A: For a simple microscope, the angular size of the object equals the angular size of the image. Reason R : Magnification is achieved as the small object can be kept much closer to the eye that 25cm and hence it subtends a large angle. In the light of the above statements, choose the most appropriate answer from the options given below: (a) Both A and B 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 is false but R is true (d) A is true but R is false A wire of 12 has a length of 1m. It is stretched till its length increases by 25%. The percentage change in resistance to the nearest integer is: (a) 56% (b) 76% 17. Given below are two statements: (c) 12.5% (d) 25% Statement I: A second's pendulum has a time period of 1 second. Statement II: It takes precisely one second to move between the two extreme positions. In the light of the above statements, choose the correct answer from the options given below: (a) Both Statement I and Statement II are false (c) Statement I is true but Statement II is false (b) Statement I is false but Statement II is true (d) Both Statement I and Statement II are true