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KARNATAKA ICSE SCHOOLS ASSOCIATION ICSE STD. X Preparatory Examination 2024 Subject: PHYSICS Maximum Marks: 80 Time Allowed: 2 hours Date: 29/01/2024 Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of this Paper is the time allowed for writing the answers. The intended marks for questions or parts of questions are given in brackets [ ]. Section A is compulsory. Attempt any four questions in Section B SECTION I (Attempt all questions from this Section.) Question 1 Choose the correct answers to the questions from the given options. (Do not copy the question, write the correct answers only.) [15] i) the position of centre of gravity depend on ____________ of the body. (a) shape (b) weight (c) volume (d) both a and b ii) If W.D represents the work done and t represents the time, then the unit of ratio of W.D and t is (a) watt m-1 (b) watt m-2 (c) J s (d) watt iii) A man does 800 J of work in lifting a 40 kg bucket from a well. The depth of the well is _________ (Take g = 10 m s-2) (a) 1 m (b) 0.5 m (c) 200 cm iv) Identify the class 2 lever among the given options: (a) scissors (b) claw hammer (c) foot treadle (d) wheel barrow (d) 0.2 m
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