{"id":2435,"date":"2025-05-02T12:33:18","date_gmt":"2025-05-02T07:03:18","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=2435"},"modified":"2025-05-02T12:33:19","modified_gmt":"2025-05-02T07:03:19","slug":"q-consider-the-following-activities-3","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-consider-the-following-activities-3","title":{"rendered":"Q. Consider the following Activities:"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Identification of narcotics on passengers at airports or in aircraft<\/li>\n\n\n\n<li>Monitoring of Precipitation<\/li>\n\n\n\n<li>Tracking the migration of animals<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">In how many of the above activities can the&nbsp;<strong>radars be used<\/strong>?<\/p>\n\n\n\n<ul class=\"wp-block-list mcq\">\n<li>Only one<\/li>\n\n\n\n<li>Only two<\/li>\n\n\n\n<li>All three<\/li>\n\n\n\n<li>None<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Answer:&nbsp;(b) Only two<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"notes-hd-681468fb28192\">Notes:<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Radars use radio waves to detect and locate objects by transmitting pulses and analyzing the reflected signals.\u00a0<\/strong>They measure\u00a0<strong>distance, speed, and direction<\/strong>, playing a vital role in aviation, maritime navigation, weather forecasting, and military applications. Radars enable precise tracking and surveillance over long distances and in various conditions.<\/li>\n\n\n\n<li>Radars are generally\u00a0<strong>not used for the identification of narcotics<\/strong>. Instead, techniques such as\u00a0<strong>X-ray scanners, chemical detection, and sniffer dogs\u00a0<\/strong>are used for this purpose.<\/li>\n\n\n\n<li>Radars are<strong>\u00a0widely used in weather forecasting to monitor precipitation<\/strong>. Weather radars, such as<strong>\u00a0Doppler radar<\/strong>, can detect rain, snow, hail, and other forms of precipitation by measuring the return of radio waves that bounce off raindrops or snowflakes.<\/li>\n\n\n\n<li>Radars can be used\u00a0<strong>to track the migration of animals, particularly birds.<\/strong>\u00a0Radar technology can detect the movement of birds and other flying animals, providing valuable data for studying migration patterns and behavior.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/lotusarise.com\/wp-content\/uploads\/2025\/04\/Radars-1024x978.png\" alt=\"Radars\" class=\"wp-image-51780\" style=\"width:812px;height:auto\" title=\"UPSC Prelims Research: Science and Tech 2024 4\"\/><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>In how many of the above activities can the&nbsp;radars be used? Answer:&nbsp;(b) Only two Notes:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1,3],"tags":[44],"years":[49],"class_list":["post-2435","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-science-and-tech","years-49"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":44,"label":"Science and Tech"}],"years":[{"value":49,"label":"2024"}]},"featured_image_src_large":false,"author_info":{"display_name":"LotusArise","author_link":"https:\/\/lotusarise.com\/qna\/author\/team-lotusarise"},"comment_info":0,"category_info":[{"term_id":1,"name":"UPSC","slug":"upsc","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":1269,"filter":"raw","cat_ID":1,"category_count":1269,"category_description":"","cat_name":"UPSC","category_nicename":"upsc","category_parent":0},{"term_id":3,"name":"Prelims","slug":"prelims","term_group":0,"term_taxonomy_id":3,"taxonomy":"category","description":"","parent":1,"count":1251,"filter":"raw","cat_ID":3,"category_count":1251,"category_description":"","cat_name":"Prelims","category_nicename":"prelims","category_parent":1}],"tag_info":[{"term_id":44,"name":"Science and Tech","slug":"science-and-tech","term_group":0,"term_taxonomy_id":44,"taxonomy":"post_tag","description":"","parent":0,"count":167,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/2435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/comments?post=2435"}],"version-history":[{"count":0,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/2435\/revisions"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=2435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=2435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=2435"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=2435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}