Class 9 Science Chapter 10 Gravitation NCERT Solutions Question Answers, Page 134 1. State the universal law of gravitation. Answer: This law states that every body in the universe attracts every other body with a force which is directly proportional to the product of their masses and inversely proportional to square of distance between them. F = G m1 m2 / … [Read more...] about Chapter 10 Gravitation
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Chapter 10 Reaching the Age of Adolescence
Class 8 | Science | Ch 10 | Reaching the Age of Adolescence | NCERT Solutions 1. What is the term used for chemical secretions of endocrine glands for changes taking place in the body? Answer: Hormones are chemical substances secreted by endocrine glands. They are the chemical substances which co-ordinate the activities of living organism and their growth. 2. Define … [Read more...] about Chapter 10 Reaching the Age of Adolescence