{"id":71822,"date":"2021-11-07T09:37:01","date_gmt":"2021-11-07T09:37:01","guid":{"rendered":"https:\/\/papersspot.com\/blog\/2021\/11\/07\/an-introduction-to-acoustics\/"},"modified":"2021-11-07T09:37:01","modified_gmt":"2021-11-07T09:37:01","slug":"an-introduction-to-acoustics","status":"publish","type":"post","link":"https:\/\/papersspot.com\/blog\/2021\/11\/07\/an-introduction-to-acoustics\/","title":{"rendered":"an introduction to acoustics"},"content":{"rendered":"<p>(a) A violin string 15.0cm long and fixed at both ends oscillates in its n=1 mode. The <br \/>speed of waves on the string is 250ms-1 and the speed of sound in air is 348ms-1. Find, <br \/>(i)the frequency of the waves <br \/>(ii)the wavelength of the emitted sound. <br \/>(b)A closed organ pipe 60cm long and of cross-sectional area 50cm2 is resonating at its <br \/>fundamental frequency. If the amplitude of the air at the open end is 0.20cm, find the <br \/>acoustic power radiated. <br \/>(c)A plane sound wave traveling through air has maximum acoustic pressure <br \/>of 10-2Nm-2. If the speed of sound is 343ms-1, and the density is 1.29kgm-3, find the <br \/>average kinetic energy density of the gas. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>(a) A violin string 15.0cm long and fixed at both ends oscillates in its n=1 mode. The speed of waves on the string is 250ms-1 and the speed of sound in air is 348ms-1. Find, (i)the frequency of the waves (ii)the wavelength of the emitted sound. (b)A closed organ pipe 60cm long and of cross-sectional [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[32],"class_list":["post-71822","post","type-post","status-publish","format-standard","hentry","category-research-paper-writing","tag-physics"],"_links":{"self":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/posts\/71822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/comments?post=71822"}],"version-history":[{"count":0,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/posts\/71822\/revisions"}],"wp:attachment":[{"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/media?parent=71822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/categories?post=71822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/papersspot.com\/blog\/wp-json\/wp\/v2\/tags?post=71822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}