09. Gravitation – Textbook Solutions
Page No. 102Q1. State the universal law of gravitation.Ans: Everybody in this universe attracts every other body with a force, which is […]
Page No. 102Q1. State the universal law of gravitation.Ans: Everybody in this universe attracts every other body with a force, which is […]
Page No. 91 Q1. Which of the following has more inertia?(a) A rubber ball and a stone of the same size?(b)
Page No. 74 Q1. An object has moved through a distance. Can it have zero displacements? If yes, support your
Page No. 61 Q1. What is a tissue?Ans: A group of cells that are similar in structure and/or work together to
Page No. 51 Q1. Who discovered cells and how?Ans: Q2. Why is the cell called the structural and functional unit
Page No. 39 Q1. What are canal rays?Ans: Canal rays are a type of positively charged radiation discovered by E. Goldstein in
Page No. 27 Q1. In a reaction, 5.3 g of sodium carbonate reacted with 6 g of ethanoic acid. The
Page No. 15 Q1. What is meant by a substance?Ans: A pure substance is one that is made up of only
Page No. 3 Q1. Which of the following are matter?Chair, air, love, smell, hate, almonds, thought, cold, lemon water, the
Q1. A survey conducted by an organisation for the cause of illness and death among the women between the ages