{"id":8244,"date":"2024-04-15T02:57:18","date_gmt":"2024-04-15T02:57:18","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=8244"},"modified":"2024-04-15T02:57:18","modified_gmt":"2024-04-15T02:57:18","slug":"while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/","title":{"rendered":"While making astronomical observations, the observer is mainly concerned with A. The direction of the vertical, the axis of rotation of the instrument B. The direction of the poles of the celestial sphere C. The direction of the star from the instrument D. All the above"},"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_6a9eb3a356227\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    The direction of the vertical, the axis of rotation of the instrument                <\/div>\r\n                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    The direction of the star from the instrument                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    All the above                <\/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 <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> answer is D. All of the above.<\/p>\n<p>The direction of the vertical is the direction of the plumb line, which is perpendicular to the surface of the Earth. The direction of the poles of the celestial sphere is the direction of the north and south celestial poles, which are the points in the sky directly above the north and south poles of the Earth. The direction of the star from the instrument is the direction from the instrument to the star.<\/p>\n<p>The observer needs to know the direction of the vertical in order to level the instrument. The observer needs to know the direction of the poles of the celestial sphere in order to orient the instrument so that it is pointing at the north and south celestial poles. The observer needs to know the direction of the star from the instrument in order to measure the position of the star in the sky.<\/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":[654],"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>While making astronomical observations, the observer is mainly concerned with A. The direction of the vertical, the axis of rotation of the instrument B. The direction of the poles of the celestial sphere C. The direction of the star from the instrument D. All the above<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"While making astronomical observations, the observer is mainly concerned with A. The direction of the vertical, the axis of rotation of the instrument B. The direction of the poles of the celestial sphere C. The direction of the star from the instrument D. All the above\" \/>\n<meta property=\"og:description\" content=\"Join Our Telegram Channel Subscribe on YouTube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T02:57:18+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"While making astronomical observations, the observer is mainly concerned with A. The direction of the vertical, the axis of rotation of the instrument B. The direction of the poles of the celestial sphere C. The direction of the star from the instrument D. All the above","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/","og_locale":"en_US","og_type":"article","og_title":"While making astronomical observations, the observer is mainly concerned with A. The direction of the vertical, the axis of rotation of the instrument B. The direction of the poles of the celestial sphere C. The direction of the star from the instrument D. All the above","og_description":"Join Our Telegram Channel Subscribe on YouTube","og_url":"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T02:57:18+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/","url":"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/","name":"While making astronomical observations, the observer is mainly concerned with A. The direction of the vertical, the axis of rotation of the instrument B. The direction of the poles of the celestial sphere C. The direction of the star from the instrument D. All the above","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T02:57:18+00:00","dateModified":"2024-04-15T02:57:18+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/while-making-astronomical-observations-the-observer-is-mainly-concerned-with-a-the-direction-of-the-vertical-the-axis-of-rotation-of-the-instrument-b-the-direction-of-the-poles-of-the-celestial-sp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Civil engineering","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/"},{"@type":"ListItem","position":4,"name":"Surveying","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/civil-engineering\/surveying\/"},{"@type":"ListItem","position":5,"name":"While making astronomical observations, the observer is mainly concerned with A. The direction of the vertical, the axis of rotation of the instrument B. The direction of the poles of the celestial sphere C. The direction of the star from the instrument D. All the above"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d97f17072bfa490596c8f78363955d55?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/8244"}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=8244"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/8244\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=8244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=8244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=8244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}