{"id":90566,"date":"2025-06-01T10:31:08","date_gmt":"2025-06-01T10:31:08","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90566"},"modified":"2025-06-01T10:31:08","modified_gmt":"2025-06-01T10:31:08","slug":"which-electromagnetic-radiations-is-are-used-to-cook-food","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-electromagnetic-radiations-is-are-used-to-cook-food\/","title":{"rendered":"Which electromagnetic radiation(s) is\/are used to cook food?"},"content":{"rendered":"

Which electromagnetic radiation(s) is\/are used to cook food?<\/p>\n

[amp_mcq option1=”Infrared radiation only” option2=”Microwave radiation only” option3=”Infrared and microwave radiations” option4=”All electromagnetic radiations” correct=”option3″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CAPF – 2021<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nElectromagnetic radiation is used in various forms for cooking food. Common examples include:
\n– Microwave ovens use microwave radiation to heat food. Microwaves are absorbed by water, fats, and sugars, causing them to vibrate and produce heat.
\n– Conventional ovens and grills use infrared radiation (thermal radiation) emitted by heating elements or flames to heat the food surface, and then heat is transferred into the food by conduction and convection.
\nTherefore, both infrared and microwave radiations are used in cooking. While visible light and other forms of EM radiation also carry energy and can potentially heat things, infrared and microwave are the primary forms utilized in common cooking appliances.
\n<\/section>\n
\n– Understand the different forms of electromagnetic radiation.
\n– Identify which forms of EM radiation are used in common cooking methods and appliances.
\n– Microwave ovens use microwaves.
\n– Ovens and grills use infrared radiation.
\n<\/section>\n
\nThe electromagnetic spectrum includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays, in order of increasing frequency and energy. Cooking methods primarily utilize the energy transfer mechanisms of infrared radiation (heating surfaces) and microwave radiation (volumetric heating of polar molecules).
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which electromagnetic radiation(s) is\/are used to cook food? [amp_mcq option1=”Infrared radiation only” option2=”Microwave radiation only” option3=”Infrared and microwave radiations” option4=”All electromagnetic radiations” correct=”option3″] This question was previously asked in UPSC CAPF – 2021 Download PDFAttempt Online Electromagnetic radiation is used in various forms for cooking food. Common examples include: – Microwave ovens use microwave radiation … <\/p>\n

Detailed SolutionWhich electromagnetic radiation(s) is\/are used to cook food?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1085],"tags":[1110,1128,1274],"class_list":["post-90566","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1110","tag-physics","tag-wave-motion","no-featured-image-padding"],"yoast_head":"\nWhich electromagnetic radiation(s) is\/are used to cook food?<\/title>\n<meta name=\"description\" content=\"Electromagnetic radiation is used in various forms for cooking food. Common examples include: - Microwave ovens use microwave radiation to heat food. Microwaves are absorbed by water, fats, and sugars, causing them to vibrate and produce heat. - Conventional ovens and grills use infrared radiation (thermal radiation) emitted by heating elements or flames to heat the food surface, and then heat is transferred into the food by conduction and convection. Therefore, both infrared and microwave radiations are used in cooking. While visible light and other forms of EM radiation also carry energy and can potentially heat things, infrared and microwave are the primary forms utilized in common cooking appliances. - Understand the different forms of electromagnetic radiation. - Identify which forms of EM radiation are used in common cooking methods and appliances. - Microwave ovens use microwaves. - Ovens and grills use infrared radiation.\" \/>\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\/which-electromagnetic-radiations-is-are-used-to-cook-food\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which electromagnetic radiation(s) is\/are used to cook food?\" \/>\n<meta property=\"og:description\" content=\"Electromagnetic radiation is used in various forms for cooking food. Common examples include: - Microwave ovens use microwave radiation to heat food. Microwaves are absorbed by water, fats, and sugars, causing them to vibrate and produce heat. - Conventional ovens and grills use infrared radiation (thermal radiation) emitted by heating elements or flames to heat the food surface, and then heat is transferred into the food by conduction and convection. Therefore, both infrared and microwave radiations are used in cooking. While visible light and other forms of EM radiation also carry energy and can potentially heat things, infrared and microwave are the primary forms utilized in common cooking appliances. - Understand the different forms of electromagnetic radiation. - Identify which forms of EM radiation are used in common cooking methods and appliances. - Microwave ovens use microwaves. - Ovens and grills use infrared radiation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-electromagnetic-radiations-is-are-used-to-cook-food\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:31:08+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":"Which electromagnetic radiation(s) is\/are used to cook food?","description":"Electromagnetic radiation is used in various forms for cooking food. 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While visible light and other forms of EM radiation also carry energy and can potentially heat things, infrared and microwave are the primary forms utilized in common cooking appliances. - Understand the different forms of electromagnetic radiation. - Identify which forms of EM radiation are used in common cooking methods and appliances. - Microwave ovens use microwaves. - Ovens and grills use infrared radiation.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-electromagnetic-radiations-is-are-used-to-cook-food\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:31:08+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\/which-electromagnetic-radiations-is-are-used-to-cook-food\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-electromagnetic-radiations-is-are-used-to-cook-food\/","name":"Which electromagnetic radiation(s) is\/are used to cook food?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:31:08+00:00","dateModified":"2025-06-01T10:31:08+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Electromagnetic radiation is used in various forms for cooking food. 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