Indian National Junior Science Olympiad 28/01/2012 1 Questions (INJSO 2012) Section A Questions 1 to 60 are multiple choice with every correct answer carrying 1 mark and every wrong answer carrying 0[.]
Indian National Junior Science Olympiad 28/01/2012 Questions (INJSO 2012) Section A: Questions 1 to 60 are multiple choice with every correct answer carrying 1 mark and every wrong answer carrying 0.25 mark SECTION A 1. A load is to be moved using a wheelbarrow. The total mass of the load and wheelbarrow is 60 kg. The magnitude of gravitational acceleration is 10 ms2 What is the work done if the handle is raised by 50 cm? a) b) c) d) 35.0 J 17.5 J 175 J 350 J 2. The electrons, identified by quantum numbers n and l can be placed in order of increasing energy, from the lowest to highest as i. n = 4 & l = 1 ii. n = 4 & l = 0 iii. n = 3 & l = 2 iv. n = 3 & l = 1 a) b) c) d) iv