{"id":41135,"date":"2024-05-07T12:02:17","date_gmt":"2024-05-07T12:02:17","guid":{"rendered":"https:\/\/edukemy.com\/blog\/?p=41135"},"modified":"2024-05-07T12:02:19","modified_gmt":"2024-05-07T12:02:19","slug":"upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity","status":"publish","type":"post","link":"https:\/\/edukemy.com\/blog\/upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity\/","title":{"rendered":"UPSC Mains Topic Wise Questions &#8211; Science &#038; Technology &#8211; Laser and Super Conductivity"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/edukemy.com\/upsc\/upsc-gs-advance-and-mentorship-program-ampcsat?utm_source=Blog&amp;utm_medium=Link&amp;utm_campaign=GS+Advanced\" target=\"_blank\" rel=\"noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1280\" height=\"300\" src=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/07\/Attempt-our-Daily-Weekly-Current-Affairs-Quiz-now-8.png\" alt=\"\" class=\"wp-image-43397\" srcset=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/07\/Attempt-our-Daily-Weekly-Current-Affairs-Quiz-now-8.png 1280w, https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/07\/Attempt-our-Daily-Weekly-Current-Affairs-Quiz-now-8-1170x274.png 1170w, https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/07\/Attempt-our-Daily-Weekly-Current-Affairs-Quiz-now-8-585x137.png 585w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/a><\/figure><\/div>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-69d8d293d8e83\" class=\"ez-toc-cssicon-toggle-label\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d8d293d8e83\"  \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edukemy.com\/blog\/upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity\/#Q1_What_is_%E2%80%98Superconductivity_Give_its_uses_and_applications_2004_15_Marks\" title=\"Q1. What is \u2018Superconductivity\u2019? Give its uses and applications. (2004, 15 Marks)&nbsp;\">Q1. What is \u2018Superconductivity\u2019? Give its uses and applications. (2004, 15 Marks)&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edukemy.com\/blog\/upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity\/#Answer\" title=\"Answer:\">Answer:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edukemy.com\/blog\/upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity\/#Q2_Describe_the_importance_of_%E2%80%9CLaser%E2%80%9D_in_war_and_peace_2004_15_Marks\" title=\"Q2. Describe the importance of \u201cLaser\u201d in war and peace. (2004, 15 Marks)&nbsp;\">Q2. Describe the importance of \u201cLaser\u201d in war and peace. (2004, 15 Marks)&nbsp;<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/edukemy.com\/blog\/upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity\/#Answer-2\" title=\"Answer:\">Answer:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/edukemy.com\/blog\/upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity\/#In_case_you_still_have_your_doubts_contact_us_on_9811333901\" title=\"In case you still have your doubts, contact us on 9811333901.&nbsp;\">In case you still have your doubts, contact us on 9811333901.&nbsp;<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/edukemy.com\/blog\/upsc-mains-topic-wise-questions-science-and-technology-laser-and-super-conductivity\/#Visit_our_YouTube_Channel_%E2%80%93_here\" title=\"Visit our YouTube Channel &#8211;&nbsp;here\">Visit our YouTube Channel &#8211;&nbsp;here<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q1_What_is_%E2%80%98Superconductivity_Give_its_uses_and_applications_2004_15_Marks\"><\/span>Q1. What is \u2018Superconductivity\u2019? Give its uses and applications. (2004, 15 Marks)&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Answer\"><\/span>Answer: <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Superconductivity is a fascinating phenomenon exhibited by certain materials where electrical resistance vanishes and magnetic fields are expelled below a critical temperature (Tc). Unlike regular conductors, where some energy is lost as heat due to resistance, superconductors allow electricity to flow perpetually with zero loss. This perfect conductivity holds immense potential for a wide range of applications.\u00a0<\/p>\n\n\n\n<p><strong>Key Characteristics:<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Zero Electrical Resistance:<\/strong> This enables persistent currents, allowing for significant energy savings in power transmission lines and transformers.&nbsp;<\/li><li><strong>Meissner Effect:<\/strong> Superconductors expel magnetic fields, leading to levitation effects and frictionless motion. This has applications in magnetic levitation trains (Maglev) and ultra-sensitive scientific instruments like SQUIDs (Superconducting Quantum Interference Devices).&nbsp;<\/li><\/ul>\n\n\n\n<p><strong>Applications:<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Power Grids:<\/strong> Superconducting cables can significantly reduce energy loss during transmission, improving grid efficiency.&nbsp;<\/li><li><strong>Maglev Trains:<\/strong> These trains utilize the Meissner effect for frictionless levitation and propulsion, offering high-speed and energy-efficient transportation.&nbsp;<\/li><li><strong>Medical Imaging:<\/strong> SQUIDs with their ultra-high sensitivity play a crucial role in Magnetic Resonance Imaging (MRI) for detailed medical diagnosis.&nbsp;<\/li><li><strong>Particle Accelerators:<\/strong> Superconducting magnets are vital components of particle accelerators, enabling higher energies and groundbreaking research in particle physics.&nbsp;<\/li><\/ul>\n\n\n\n<p><strong>Challenges and Future:<\/strong>&nbsp;<\/p>\n\n\n\n<p>Despite its potential, superconductivity faces challenges. Most materials require extremely low temperatures (Tc) to become superconducting, making them expensive to maintain. However, research on high-temperature superconductors is ongoing, promising advancements in this domain.&nbsp;<\/p>\n\n\n\n<p>Superconductivity offers a glimpse into a future with lossless electricity, revolutionizing various sectors. As research progresses and Tc increases, the applications of this transformative phenomenon are poised to expand significantly.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Q2_Describe_the_importance_of_%E2%80%9CLaser%E2%80%9D_in_war_and_peace_2004_15_Marks\"><\/span>Q2. Describe the importance of \u201cLaser\u201d in war and peace. (2004, 15 Marks)&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Answer-2\"><\/span>Answer: <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Lasers (Light Amplification by Stimulated Emission of Radiation) play a crucial role in both military and civilian spheres.\u00a0<\/p>\n\n\n\n<p><strong>Warfare:<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Directed Energy Weapons:<\/strong> High-powered lasers hold potential for missile defense, disabling enemy drones and aircraft, and even destroying satellites.&nbsp;<\/li><li><strong>Targeting and Ranging:<\/strong> Lasers improve targeting accuracy for conventional weapons and provide precise distance measurement for artillery and other long-range attacks.&nbsp;<\/li><li><strong>Communication:<\/strong> Secure communication can be established using lasers due to their narrow beam and resistance to interception.&nbsp;<\/li><\/ul>\n\n\n\n<p><strong>Peacetime Applications:<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Medicine:<\/strong> Lasers are vital for delicate surgeries, minimally invasive procedures, and cancer treatment.&nbsp;<\/li><li><strong>Industry:<\/strong> They are used for precise cutting, welding, and material processing in various industries.&nbsp;<\/li><li><strong>Communication:<\/strong> Lasers form the backbone of fiber optic cables, enabling high-speed internet and data transmission.&nbsp;<\/li><li><strong>Scientific Research:<\/strong> Lasers play a key role in research fields like spectroscopy, material science, and environmental monitoring.&nbsp;<\/li><\/ul>\n\n\n\n<p>In conclusion, lasers are a powerful technology with significant implications for both military capabilities and peaceful advancements. Their development and responsible use are crucial considerations for national security and societal progress.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/edukemy.com\/upsc\/upsc-essay?utm_source=Blog&amp;utm_medium=Banner&amp;utm_campaign=Essay\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" data-src=\"https:\/\/edukemy.com\/blog\/wp-content\/uploads\/2024\/06\/UPSC-Essay-Course-1280\u00d7300-1-3.svg\" alt=\"\" class=\"wp-image-42688 lazyload\" width=\"781\" height=\"182\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 781px; --smush-placeholder-aspect-ratio: 781\/182;\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"block-c6ab63ae-7083-4831-b519-cb89dacafb18\"><span class=\"ez-toc-section\" id=\"In_case_you_still_have_your_doubts_contact_us_on_9811333901\"><\/span><strong>In case you still have your doubts, contact us on 9811333901.<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p id=\"block-52c5a91b-6ed6-46e3-b781-7cc0c63a0b76\">For UPSC Prelims Resources,&nbsp;<a href=\"https:\/\/edukemy.com\/upsc-cse-prelims-resource-centre\" target=\"_blank\" rel=\"noreferrer noopener\">Click here<\/a><\/p>\n\n\n\n<p id=\"block-d014fe86-d628-49d8-82ce-6c60dc6e7a73\">For Daily Updates and Study Material:<\/p>\n\n\n\n<p id=\"block-38177954-e668-4d8d-b250-d0fbd5a09390\">Join our Telegram Channel &#8211;&nbsp;<a href=\"https:\/\/t.me\/WithEdukemy4IAS\" target=\"_blank\" rel=\"noreferrer noopener\">Edukemy for IAS<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\" id=\"block-49ca2fe3-109f-4a88-b72e-9df49c3d328e\"><li>1. Learn through Videos &#8211;&nbsp;<a href=\"https:\/\/bit.ly\/3vOD8sU\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><li>2. Be Exam Ready by Practicing Daily MCQs &#8211;&nbsp;<a href=\"https:\/\/bit.ly\/3Q9z2nF\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><li>3. Daily Newsletter &#8211; Get all your Current Affairs Covered &#8211;&nbsp;<a href=\"https:\/\/bit.ly\/3bE2y5J\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><li>4. Mains Answer Writing Practice &#8211;&nbsp;<a href=\"https:\/\/bit.ly\/3mZuVxl\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"block-43ccddc1-5348-445f-ab6b-7baaf29fe58d\"><span class=\"ez-toc-section\" id=\"Visit_our_YouTube_Channel_%E2%80%93_here\"><\/span>Visit our YouTube Channel &#8211;&nbsp;<a href=\"https:\/\/www.youtube.com\/@EduKemyforIAS\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a><span class=\"ez-toc-section-end\"><\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Q1. What is \u2018Superconductivity\u2019? Give its uses and applications. (2004, 15 Marks)&nbsp; Answer: Superconductivity is a fascinating phenomenon exhibited by certain materials where electrical resistance vanishes and magnetic fields are&hellip;<\/p>\n","protected":false},"author":23,"featured_media":41136,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[1643],"tags":[232,230,184,140],"class_list":["post-41135","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-upsc-mains","tag-upsc","tag-upsc-mains","tag-upsc-mains-strategy","tag-upsc_preparation_strategy"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/41135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/comments?post=41135"}],"version-history":[{"count":1,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/41135\/revisions"}],"predecessor-version":[{"id":41138,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/posts\/41135\/revisions\/41138"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media\/41136"}],"wp:attachment":[{"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/media?parent=41135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/categories?post=41135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edukemy.com\/blog\/wp-json\/wp\/v2\/tags?post=41135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}