Forum Forums Class 9 Science Sound Notifications Clear all Sound Page 14 / 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 1 379 Reverberation of sound is used in (a) stethoscope (b) trumpets (c) megaphone (d) all of th... By Trisha Dave, 5 years ago replies 1 0 1 123 To hear a distinct echo the time interval between the original sound and the reflected sou... By Trisha Dave, 5 years ago replies 1 0 1 114 Speed (s), wavelength (X) and frequency (v) of sound are related as (a) s = u x v (b) v = ... By Trisha Dave, 5 years ago replies 1 0 1 115 Speed of sound depends upon (a) temperature of medium (b) pressure of medium (c) temperatu... By Trisha Dave, 5 years ago replies 1 0 1 159 We can distinguish between sound having same pitch and loudness, this characteristic of so... By Trisha Dave, 5 years ago replies 1 0 1 240 Loud sound can travel a larger distance, due to (a) higher amplitude (b) higher energy (c)... By Trisha Dave, 5 years ago replies 1 0 1 201 A wave in slinky travelled to and fro in 5 sec the length of the slinky is 5 m. The veloci... By Trisha Dave, 5 years ago replies 1 0 1 111 Explain how the human ear works. By Trisha Dave, 5 years ago replies 1 0 1 227 Explain how defects in a metal block can be detected using ultrasound. By Trisha Dave, 5 years ago replies 1 0 1 121 A sonar device on a submarine sends out a signal and receives an echo 5 s later. Calculate... By Trisha Dave, 5 years ago replies 1 Page 14 / 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
