, , , 0.25

, , , 0.50

and and and 2.00

out of which ONLY ONE is correct. Section 2 contains 5 multiple choice questions. Each question has four choices out of which ONE or MORE are correct. Section 3 contains 5 questions. The answer to each question is a single–digit integer, ranging from 0 to 9 (both inclusive) C. Marking Scheme: For each question in Section 1, you will be awarded 2 marks if your darken the bubble corresponding to the correct answer and zero mark if no bubbles are darkened. No negative marks will be awarded for incorrect answers in this section. For each question in Section 2, you will be awarded 4 marks if you darken all the bubble(s) corresponding to only the correct answer(s) and zero mark if no bubbles are darkened. In all other cases, minus one (–1) mark will be awarded. For each question in Section 3, you will be awarded 4 marks if you darken the bubble corresponding to only the correct answer and zero mark if no bubbles are darkened. In all other cases, minus one (–1) mark will be awarded. PAPER-1 JEE(ADVANCED) 2013 PART-I: PHYSICS SECTION – 1: (Only one option correct Type) This section contains 10 multiple choice questions. Each question has four choice out of which ONLY ONE is correct. One end of a horizontal thick copper wire of length 2L and radius 2R is welded to an end of another horizontal thin copper wire of length L and radius R. When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is 4.00