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ICSE Class IX Final 2022 : Physics (The Bai Avabai Framji Petit Girls' High School, Bandra West, Mumbai)

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BAI AVABAI F. PETIT GIRLS HIGH SCHOOL FINAL EXAMINATION (2020 - 2021) PHYSICS (SCIENCE PAPER I) STD: IX DATE: 02 .03 2022 MARKS: 60 TIME: 1Hr. 45 Mins. + 15 mins Reading Time _________________________________________________________________________ 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. _________________________________________________________________________ Attempt all questions from Section I and any three from Section II. The intended marks for the questions or parts of questions are given in the brackets [ ]. The entire paper is to be handwritten on file sheets and uploaded on MS FORMS _________________________________________________________________________ SECTION I (30 Marks) Attempt all questions from this section Question 1 (a) i) Name the SI unit of Force. [2] ii) Write an expression which establishes the relation between the mass m of a body and the acceleration a produced by it, when a force F is applied to it. (b) [2] Observe the graphs given above and describe what each graph depicts against the correct figure number. (Do not draw the graphs) (c) i)) A ship sails from the sea towards a river. Will it submerge more or less? [2] ii) Explain your answer. (d) Explain in a line the reason for the following: i) Humans cannot hear a dog whistle when blown. ii) Certain special military aircrafts can fly past above us, without us hearing their loud sounds till much later. ------------------------------------------------------------1-----------------------------------------------This paper consists of 6 printed sides [2]

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