{"id":5361,"date":"2024-05-22T06:37:52","date_gmt":"2024-05-22T05:37:52","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=5361"},"modified":"2024-05-23T08:20:22","modified_gmt":"2024-05-23T07:20:22","slug":"sound-set-4","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-4\/","title":{"rendered":"Sound Set &#8211; 4"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-text-align-right has-vivid-purple-color has-text-color has-link-color has-larger-font-size wp-elements-479e9975b8a4de4323a38f262bcfa63a\"><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-3\/\" title=\"\">Prev<\/a>       <strong><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/20\/sound-set-1\/\" title=\"\">1<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-2\/\" title=\"\">2<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-3\/\" title=\"\">3<\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/04\/noun-set-3\/\" title=\"\"> <\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-4\/\" title=\"\">4<\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/06\/noun-set-5\/\" title=\"\"> <\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-5\/\" title=\"\">5<\/a><\/strong>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-5\/\" title=\"\">Next<\/a><\/h1>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-text-align-left wp-element-button\" href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-quiz-4\/\">mock test<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>31. Which part of the ear is called \u2018pinna\u2019?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong><strong><strong>Middle<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong>Inner<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong>Outer<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong>None of these<\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:C<BR>\nSOLUTION :The outer ear consists of the visible portion on the side of the head, known as the pinna [1], and the external auditory canal (ear canal) [2].\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>32. What collects the sound from the surroundings?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong>Ear drum<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong>Pinna<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong>Cochlea<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong>None of these<\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION:The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>33. In SONAR, we use _____.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong><strong><strong><strong>Ultrasonic waves<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Infrasonic waves<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong>Radio waves<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong>Audible sound waves<\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A<BR>\nSOLUTION:SONAR, or Sound Navigation and Ranging, uses ultrasonic waves to detect objects underwater, measure depth, and communicate.\n  <\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>34. When we change feeble sound to loud sound we increase its ____.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A.  <strong><strong><strong><strong><strong>Frequency<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong>Amplitude<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong>Velocity<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. Wavelength<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION:When a feeble sound is changed to a loud sound, its amplitude increases. Amplitude is the height of a sound wave, and loudness is directly proportional to amplitude. In fact, loudness is proportional to the square of the amplitude.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>35. Earthquake produces which kind of sound before the main shock wave begins _____.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong>Ultrasound<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong><strong>Infrasound<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong>Audible sound<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. None of these<\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION:Earthquakes produce infrasound before the main shock wave begins. Infrasound is a low-frequency sound, with a frequency of less than 20 hertz (Hz) or cycles per second. This is below the normal limit of human hearing, which is 20 Hz to 20,000 Hz.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>36. Infrasound can be heard by _____.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong>Dog<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. Bat<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong><strong><strong><strong><strong><strong>Rhinoceros<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong><strong><strong><strong>Human beings<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:C<BR>\nSOLUTION :Infrasound has a frequency of less than 20 Hz and Rhinoceroses communicate using Infrasound waves of the frequency of 5 Hz hence rhinoceros is the right answer. <\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>37. At the end of the auditory canal there is a thin membrane called the _____.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong>Pinna<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong><strong><strong><strong>Ear drum<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong>Stirrup<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. &nbsp;<strong><strong><strong><strong><strong>None of these<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:B<BR>\nSOLUTION:The thin membrane at the end of the auditory canal is called the eardrum, or tympanic membrane. \n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>38. In humans, the sound is produced by the voice box which called ____.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong><strong><strong><strong>Larynx<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong>Pharynx<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong><strong><strong><strong><strong>Ear drum<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong><strong><strong><strong><strong><strong><strong><strong><strong>None of these<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:A<BR>\nSOLUTION: The voice box in the throat, called the larynx, is responsible for the production of sound.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>39. Sound needs a ____ for propagation.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong>Temperature<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong><strong>Pressure<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong><strong><strong>Medium<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong><strong><strong><strong>None of these<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:C<BR>\nSOLUTION: Amplitude Modulation (AM) is preferred for picture transmission on TV because of the following reasons: The distortion which arises due to interference between multiple signals is more in FM than AM because the frequency of the FM signal continuously changes.\n<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>40. Above _____ dB the noise becomes physically painful.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A. <strong><strong><strong><strong>60<\/strong><\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B. <strong>70<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C. <strong>80<\/strong><\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>D. <strong><strong>None of these<\/strong><\/strong><\/strong><\/h3>\n\n\n\n<button class=\"acc\">ANSWER &#038; SOLUTION<\/button>\n<div class=\"pnl\">\n  <p>ANSWER:C<BR>\nSOLUTION: Above 80dB the sound becomes physically painful.\n <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background has-text-align-left wp-element-button\" href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-quiz-4\/\">mock test<\/a><\/div>\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-right has-vivid-purple-color has-text-color has-link-color has-larger-font-size wp-elements-479e9975b8a4de4323a38f262bcfa63a\"><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-3\/\" title=\"\">Prev<\/a>       <strong><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/20\/sound-set-1\/\" title=\"\">1<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-2\/\" title=\"\">2<\/a>        <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-3\/\" title=\"\">3<\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/04\/noun-set-3\/\" title=\"\"> <\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-4\/\" title=\"\">4<\/a>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/06\/noun-set-5\/\" title=\"\"> <\/a><a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-5\/\" title=\"\">5<\/a><\/strong>       <a href=\"https:\/\/mcqsadda.com\/index.php\/2024\/05\/22\/sound-set-5\/\" title=\"\">Next<\/a><\/h1>\n","protected":false},"excerpt":{"rendered":"<p>Prev 1 2 3 4 5 Next 31. Which part of the ear is called \u2018pinna\u2019? A. Middle B. Inner C. Outer D. None of these ANSWER &#038; SOLUTION ANSWER:C SOLUTION :The outer ear consists of the visible portion on the side of the head, known as the pinna [1], and the external auditory canal<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[3069,3065,3062,3066,3060,3064,3068,3059,3061,3057],"class_list":{"0":"post-5361","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-physics","7":"tag-above-_____-db-the-noise-becomes-physically-painful","8":"tag-at-the-end-of-the-auditory-canal-there-is-a-thin-membrane-called-the-_____","9":"tag-earthquake-produces-which-kind-of-sound-before-the-main-shock-wave-begins-_____","10":"tag-in-humans-the-sound-is-produced-by-the-voice-box-which-called-____","11":"tag-in-sonar-we-use-_____","12":"tag-infrasound-can-be-heard-by-_____","13":"tag-sound-needs-a-____-for-propagation","14":"tag-what-collects-the-sound-from-the-surroundings","15":"tag-when-we-change-feeble-sound-to-loud-sound-we-increase-its-____","16":"tag-which-part-of-the-ear-is-called-pinna"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/5361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=5361"}],"version-history":[{"count":2,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/5361\/revisions"}],"predecessor-version":[{"id":5502,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/5361\/revisions\/5502"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=5361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=5361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=5361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}