{"id":77859,"date":"2021-07-27T02:07:35","date_gmt":"2021-07-27T02:07:35","guid":{"rendered":"https:\/\/prepistan.com\/blog\/?p=77859"},"modified":"2021-07-27T02:07:35","modified_gmt":"2021-07-27T02:07:35","slug":"ultrasonic-waves-are-those-sound-waves-having-frequency-__________","status":"publish","type":"post","link":"https:\/\/prepistan.com\/blog\/ultrasonic-waves-are-those-sound-waves-having-frequency-__________\/","title":{"rendered":"Ultrasonic waves are those sound waves having frequency __________?"},"content":{"rendered":"<p>A. between 20 hertz and 1000 hertz<br \/>\nB. between 1000 hertz and 20000 hertz<br \/>\nC. less than 20 hertz<br \/>\n<strong>D. more than 20 kilohertz<\/strong><\/p>\n<p><strong>Explanation:<\/strong><\/p>\n<p>Ultrasonic wave is defined as \u201cinaudible sound with high frequency for human\u201d the frequency of which\u00a0<b>generally exceeds 20 kHz<\/b>. These days, sound wave which is not intended to be heard is also called ultrasonic wave.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A. between 20 hertz and 1000 hertz B. between 1000 hertz and 20000 hertz C. less than 20 hertz D. more than 20 kilohertz Explanation: Ultrasonic wave is defined as \u201cinaudible sound with high frequency for human\u201d the frequency of which\u00a0generally exceeds 20 kHz. These days, sound wave which is not intended to be heard [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":52812,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,265],"tags":[26294,26663],"class_list":{"0":"post-77859","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-general-knowledge-mcqs","8":"category-physics-mcqs","9":"tag-frequency","10":"tag-ultrasonic-wave"},"_links":{"self":[{"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/posts\/77859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/comments?post=77859"}],"version-history":[{"count":0,"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/posts\/77859\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/media\/52812"}],"wp:attachment":[{"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/media?parent=77859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/categories?post=77859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prepistan.com\/blog\/wp-json\/wp\/v2\/tags?post=77859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}