NCERT Class 8 Science Chapter 15 Some Natural Phenomena Solutions
NCERT Class 8 Science Chapter 15 Some Natural Phenomena Solutions NCERT TEXT BOOK EXERCISES Select the correct option in Questions 1 and 2. Q. 1. Which of the following cannot be charged easily by friction? (a) A plastic scale. (b) A copper rod. (c) An inflated balloon. (d) A woollen cloth. Ans. (b) A copper rod. Q. 2. When a glass rod is rubbed with a piece of silk cloth the rod (a) and the cloth both acquire positive charge. (b) becomes positively charged while the cloth has a negative charge. (c) and the cloth both acquire negative charge (d) becomes negatively charged while the cloth has a positive charge. Ans. (b) becomes positively charged while the cloth has a negative charge. Q. 3. Write T against true and F against false in the following statements: (a) Like charges attract each other. (T/F) Ans. False. (b) A charged glass rod attract a charged plastic straw. (T/F) Ans. True. (c) Lightning conductor cannot protect a building from lightning. (T/F) Ans. False (d) Earthquakes can...