ICSE 10 years Question paper From 2007 to 2019
ICSE Physics 10 Years Question Paper ICSE Paper 2007 PHYSICS (Two hours) Answers to this Paper must he written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to he 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) Which class of levers has a mechanical advantage always greater than one ? What change can be brought about in this lever to increase its mechanical advantage ? [2] (b) Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies. [2] (c) What is the S.I. unit of upthrust ? Mention one factor on wh...