Forum Forums Class 9 Science Sound Children under the ... Notifications Clear all Children under the age of 5 can hear upto: (a) 20 kHz (b) 25 kHz (c) 20 Hz (d) 25 Hz Sound Last Post by Arsh01 5 years ago 1 Posts 2 Users 0 Likes 235 Views 0 09/01/2021 2:57 pm Topic starter Trisha Dave (@trisha-dave) Illustrious Member 2028 Posts 2028 0 0 Children under the age of 5 can hear upto: (a) 20 kHz (b) 25 kHz (c) 20 Hz (d) 25 Hz AnswerAdd a comment Topic Tags class 9 cbse ncert sound 1 Answer Most Voted Oldest Newest 0 09/01/2021 2:58 pm Arsh01 (@arsh01) Noble Member 2028 Posts 0 2028 0 (b) 25 kHz Add a comment 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
