{"id":156892,"date":"2024-10-17T17:41:41","date_gmt":"2024-10-17T17:41:41","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=156892"},"modified":"2024-10-17T17:41:43","modified_gmt":"2024-10-17T17:41:43","slug":"which-ruler-has-the-greatest-precision","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/10\/17\/which-ruler-has-the-greatest-precision\/","title":{"rendered":"Which ruler has the greatest precision"},"content":{"rendered":"\n
    \n
  1. Which ruler has the greatest precision?<\/li>\n\n\n\n
  2. Compare your estimates with the actual measurements. How close were your estimates?<\/li>\n<\/ol>\n\n\n\n

    The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n

    To address your questions about rulers and precision, let\u2019s break it down.<\/p>\n\n\n\n

    1. Which Ruler Has the Greatest Precision?<\/h3>\n\n\n\n

    In terms of rulers, precision refers to the smallest unit of measurement they can accurately measure. Standard rulers typically measure in millimeters (mm) and centimeters (cm), while more precise rulers, like calipers or micrometers, can measure in microns (\u00b5m) or thousandths of an inch. For example:<\/p>\n\n\n\n

      \n
    • Standard Ruler<\/strong>: 1 cm or 10 mm increments<\/li>\n\n\n\n
    • Caliper<\/strong>: Measures to 0.01 mm (or 10 \u00b5m)<\/li>\n\n\n\n
    • Micrometer<\/strong>: Can measure to 0.001 mm (or 1 \u00b5m)<\/li>\n<\/ul>\n\n\n\n

      Conclusion<\/strong>: A micrometer has the greatest precision among common measuring tools, allowing for the most accurate measurements.<\/p>\n\n\n\n

      2. Compare Your Estimates with the Actual Measurements<\/h3>\n\n\n\n

      To accurately compare estimates with actual measurements, let\u2019s assume you estimated the length of an object using a standard ruler and recorded it as 15.5 cm. Upon measuring with a more precise tool, the actual measurement is found to be 15.48 cm.<\/p>\n\n\n\n

      Comparison<\/strong>:<\/p>\n\n\n\n

        \n
      • Estimated Measurement<\/strong>: 15.5 cm<\/li>\n\n\n\n
      • Actual Measurement<\/strong>: 15.48 cm<\/li>\n\n\n\n
      • Difference<\/strong>: 15.5 cm – 15.48 cm = 0.02 cm or 2 mm<\/li>\n<\/ul>\n\n\n\n

        Explanation:<\/h3>\n\n\n\n

        The closeness of your estimate to the actual measurement can be assessed using relative error. Here, the relative error can be calculated as:<\/p>\n\n\n\n

        [
        \\text{Relative Error} = \\frac{\\text{Estimated} – \\text{Actual}}{\\text{Actual}} \\times 100\\%
        ]<\/p>\n\n\n\n

        Substituting the values:<\/p>\n\n\n\n

        [
        \\text{Relative Error} = \\frac{15.5 – 15.48}{15.48} \\times 100\\% \\approx 0.129\\%
        ]<\/p>\n\n\n\n

        This indicates that the estimate was quite accurate, within 0.13% of the actual measurement. The precision of your measuring tool plays a significant role in obtaining accurate measurements. With high-precision tools, such as micrometers, measurements can be made with minimal error, enhancing the reliability of the data collected. Hence, understanding the limitations and capabilities of different measuring instruments is crucial in scientific and engineering contexts.<\/p>\n","protected":false},"excerpt":{"rendered":"

        The Correct Answer and Explanation is : To address your questions about rulers and precision, let\u2019s break it down. 1. Which Ruler Has the Greatest Precision? In terms of rulers, precision refers to the smallest unit of measurement they can accurately measure. Standard rulers typically measure in millimeters (mm) and centimeters (cm), while more precise […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-156892","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/156892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=156892"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/156892\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=156892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=156892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=156892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}