{"id":151,"date":"2013-12-29T13:03:45","date_gmt":"2013-12-29T13:03:45","guid":{"rendered":"http:\/\/blog.soton.ac.uk\/soundwaves\/?page_id=151"},"modified":"2014-01-24T12:42:38","modified_gmt":"2014-01-24T12:42:38","slug":"5c-four-wavelengths-apart-same-frequency","status":"publish","type":"page","link":"https:\/\/blog.soton.ac.uk\/soundwaves\/wave-interaction\/5-interference\/5c-four-wavelengths-apart-same-frequency\/","title":{"rendered":"Four wavelengths apart, same frequency"},"content":{"rendered":"<p>Sources of different frequency produce a spatial pattern that changes at the beat (difference) frequency of the sources. To see this try placing your mouse pointer at a point in the field and see how the pattern around it changes with time.<\/p>\n<p><a href=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/interfmonopcolcol4.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-152\" alt=\"interfmonopcolcol4\" src=\"http:\/\/blog.soton.ac.uk\/soundwaves\/files\/2013\/12\/interfmonopcolcol4.gif\" width=\"461\" height=\"339\" \/><\/a><\/p>\n<p>It can be seen that, for sources of the same frequency, increasing the source separation increases the spatial frequency of the beams of constructive interference. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sources of different frequency produce a spatial pattern that changes at the beat (difference) frequency of the sources. To see this try placing your mouse pointer at a point in the field and see how the pattern around it changes with time. It can be seen that, for sources of the same frequency, increasing the [&hellip;]<\/p>\n","protected":false},"author":75333,"featured_media":0,"parent":140,"menu_order":8,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-151","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/users\/75333"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/comments?post=151"}],"version-history":[{"count":2,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/151\/revisions"}],"predecessor-version":[{"id":336,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/151\/revisions\/336"}],"up":[{"embeddable":true,"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/pages\/140"}],"wp:attachment":[{"href":"https:\/\/blog.soton.ac.uk\/soundwaves\/wp-json\/wp\/v2\/media?parent=151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}