Forum Forums Class 9 Science Sound Notifications Clear all Sound Page 3 / 18 Prev 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Next Votes & Answers Question Question Status 0 1 276 (a) What is sound? What type of waves are sound waves in air? (b) Describe an experiment t... By BidishaKashayap1333, 4 years ago replies 1 0 1 142 What is the difference between a compression and a rarefaction in a sound wave? Illustrate... By BidishaKashayap1333, 4 years ago replies 1 0 1 127 The frequency of the sound emitted by the loudspeaker is 1020Hz. Calculate the wavelength ... By BidishaKashayap1333, 4 years ago replies 1 0 1 296 Explain why a ringing bell suspended in a vacuum chamber cannot be heard outside. By BidishaKashayap1333, 4 years ago replies 1 0 1 240 Define the ‘frequency’ and ‘time period’ of a wave. What is the relation between the two? By BidishaKashayap1333, 4 years ago replies 1 0 1 140 A wave is moving in air with a velocity of 340 m/s. Calculate the wavelength if its freque... By BidishaKashayap1333, 4 years ago replies 1 0 1 290 A sound signal of 128 vibrations per second has a wavelength of 2.7m. Calculate the speed ... By BidishaKashayap1333, 4 years ago replies 1 0 1 132 When we open a gas tap for a few seconds, the sound of escaping gas is heard first but the... By BidishaKashayap1333, 4 years ago replies 1 0 1 120 Describe a simple experiment to show that the prongs of a sound producing tuning fork are ... By BidishaKashayap1333, 4 years ago replies 1 0 1 120 Give reason for the following: In most of the cases, we cannot see the vibrations of a sou... By BidishaKashayap1333, 4 years ago replies 1 Page 3 / 18 Prev 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
