Class 9 | Science | Chapter 12 |Sound| NCERT Solutions Page 162 1. How does the sound produced by a vibrating object in a medium reach your ear? Answer: When an object vibrates it forces the neighbouring particles of the medium to vibrate.These vibrating particles then forces the particles adjacent to them to vibrate.In this way, vibrations produced by an vibrating … [Read more...] about Chapter 12 Sound
Chapter 12
Chapter 14 Chemical Effects of Electric Current
Class 8 | Science | Ch 12 |Chemical Effects of Electric Current| NCERT Solutions 1. Fill in the blanks. (a) Most liquids that conduct electricity are solutions of , _______ and ________. (b) The passage of an electric current through a solution causes __________ effects. (c) If you pass current through copper sulphate solution, copper gets deposited on the plate connected … [Read more...] about Chapter 14 Chemical Effects of Electric Current