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ISC Class 11Specimen paper 2017 : Physics

6 pages, 40 questions, 13 questions with responses, 16 total responses,    0    0
Angel k saji
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PHYSICS PAPER 1 (THEORY) (Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) All questions are compulsory. Question number 1 is of twenty marks, with three subparts, all of which are compulsory. Question numbers 2 to 8 carry 2 marks each with two questions having internal choice. Question numbers 9 to 15 carry 3 marks each with two questions having internal choice. Question numbers 16 to 18 carry 5 marks each. Each question has an internal choice. The intended marks for questions are given in brackets [ ]. All working, including rough work should be done on the same sheet as and adjacent to the rest of the answer.) Answers to sub parts of the same question must be given in one place only. A simple scientific calculator without a programmable memory may be used for calculations. PART I Answer all questions. Question 1 (A) Attempt the following questions by choosing the correct alternative (i), (ii), [5 1] (iii) or (iv). (a) The density of a cube is measured by measuring its mass and length of its side. If the maximum errors in the measurement of its mass and length are 3% and 2% respectively, the maximum error in the measurement of density would be: (i) 12% (ii) 14% (iii) 7% (iv) 9% (b) A block rests on a rough inclined plane making an angle of 300 with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10 N, the mass of the block in kg is: (g= 10 m/s2) (i) 2.0 (ii) 4.0 (iii) 1.6 (iv) 2.5 1 SPECIMEN QUESTION PAPER 2018 CLASS XI

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