{"id":21923,"date":"2024-04-15T06:12:58","date_gmt":"2024-04-15T06:12:58","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=21923"},"modified":"2024-04-15T06:12:58","modified_gmt":"2024-04-15T06:12:58","slug":"the-ordinary-and-maximum-tolerance-limit-of-sound-by-human-being-is-a-50-db-to-70-db-decibel-b-60-db-to-80-db-decibel-c-65-db-to-75-db-decibel-d-70-db-to-85-db-decibel","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-ordinary-and-maximum-tolerance-limit-of-sound-by-human-being-is-a-50-db-to-70-db-decibel-b-60-db-to-80-db-decibel-c-65-db-to-75-db-decibel-d-70-db-to-85-db-decibel\/","title":{"rendered":"The ordinary and maximum tolerance limit of sound by human being is A. 50 db to 70 db (decibel) B. 60 db to 80 db (decibel) C. 65 db to 75 db (decibel) D. 70 db to 85 db (decibel)"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a9e3ee907d64\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    50 db to 70 db (decibel)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    60 db to 80 db (decibel)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    65 db to 75 db (decibel)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    70 db to 85 db (decibel)                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: <strong>A. 50 db to 70 db (decibel)<\/strong><\/p>\n<p>The decibel (dB) is a logarithmic unit that expresses the ratio of a physical quantity (such as sound pressure) to a reference value. The reference value for sound pressure is 20 micropascals (\u00ce\u00bcPa), which is the threshold of human hearing.<\/p>\n<p>Sound pressure levels are typically measured in decibels (dB). The higher the dB level, the louder the sound. The following table shows some common sound pressure levels and their corresponding effects on humans:<\/p>\n<p>Sound pressure level (dB) | Effect on humans<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n0 dB | Threshold of hearing<br \/>\n20 dB | Very quiet whisper<br \/>\n30 dB | Quiet conversation<br \/>\n40 dB | Normal conversation<br \/>\n50 dB | Average office noise<br \/>\n60 dB | Noisy restaurant<br \/>\n70 dB | Vacuum cleaner<br \/>\n80 dB | Traffic noise<br \/>\n90 dB | Motorcycle<br \/>\n100 dB | Rock concert<br \/>\n110 dB | Chain saw<br \/>\n120 dB | Gunshot<br \/>\n130 dB <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> | Painful to ears<br \/>\n140 dB | Instant damage to ears<\/p>\n<p>As you can see, the ordinary and maximum tolerance limit of sound by human being is 50 db to 70 db. Exposure to sounds above 85 dB can cause permanent hearing loss.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The ordinary and maximum tolerance limit of sound by human being is A. 50 db to 70 db (decibel) B. 60 db to 80 db (decibel) C. 65 db to 75 db (decibel) D. 70 db to 85 db (decibel)<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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