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CISCE RELEASED: Specimen Paper 2018 : Physics

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Ansh Singh
Greenfields School, Lucknow

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PHYSICS SCIENCE Paper 1 (Two hours) 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. Section I is compulsory. Attempt any four questions from Section II. The intended marks for questions or parts of questions are given in brackets [ ]. SECTION I (40 Marks) Attempt all questions from this Section. Question 1 (a) Name a metal commonly used to make a calorimeter. Give a reason to support [2] your answer. (b) Draw a well labelled circuit diagram for the verification of Ohm s law. [2] (c) Why is radioactivity considered to be a nuclear phenomenon? [2] (d) Draw a ray diagram to show how a convex lens can be used as a magnifying [2] glass. (e) A metal ball of mass 60 g falls on a concrete floor from a vertical height of [2] 2.8m and rebounds to a height of 1.3 m. Find the change in K.E. in S.I. units. Question 2 (a) What is the work done by a force when the force is: (i) normal to the displacement produced. [2] (ii) in the same direction as the displacement produced. (b) State the S.I. unit of specific heat capacity and heat capacity. [2] (c) Draw a labelled diagram to show the path of a monochromatic light ray of [2] light in a prism kept at its angle of minimum deviation. This paper consists of 5 printed pages. ICSE Specimen Question paper 2018

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