{"id":4007,"date":"2023-01-09T10:47:28","date_gmt":"2023-01-09T10:47:28","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=4007"},"modified":"2024-11-26T11:06:11","modified_gmt":"2024-11-26T11:06:11","slug":"s-16-a-what-makes-things-visible","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-16-a-what-makes-things-visible\/","title":{"rendered":"s-16.a What Makes Things Visible"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>What Makes Things Visible<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-8550df6181cd5d83aa7a08ef336a4ca1\" style=\"color:#74008b\">Key Notes :<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"427\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/987502.png\" alt=\"\" class=\"wp-image-11905\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/987502.png 1000w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/987502-300x128.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/987502-768x328.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<ol class=\"has-large-font-size wp-block-list\">\n<li><strong>Light as the Source of Visibility:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Light is essential for us to see things.<\/li>\n\n\n\n<li>It travels in straight lines and allows us to perceive the world around us.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Reflection of Light:<\/strong>\n<ul class=\"wp-block-list\">\n<li>When light falls on an object, it can either be absorbed, transmitted, or reflected.<\/li>\n\n\n\n<li>Reflection is when light bounces off an object&#8217;s surface.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Opaque, Transparent, and Translucent Objects:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Opaque objects do not allow light to pass through and cast shadows.<\/li>\n\n\n\n<li>Transparent objects allow light to pass through without scattering, like clear glass.<\/li>\n\n\n\n<li>Translucent objects allow some light to pass through but scatter it in different directions, making objects behind them less clear.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Colors and Absorption:<\/strong>\n<ul class=\"wp-block-list\">\n<li>The color of an object is the result of the wavelengths of light it reflects.<\/li>\n\n\n\n<li>For example, a red apple appears red because it reflects red light and absorbs other colors.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>The Role of Eyes:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Our eyes are specialized organs that capture and process light.<\/li>\n\n\n\n<li>The cornea and lens in our eyes focus light onto the retina, which contains light-sensitive cells called rods and cones.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Rods and Cones:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Rods help us see in low light conditions and detect motion.<\/li>\n\n\n\n<li>Cones are responsible for color vision and work best in well-lit conditions.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Perception of Images:<\/strong>\n<ul class=\"wp-block-list\">\n<li>The brain processes the signals from our eyes to create the images we perceive.<\/li>\n\n\n\n<li>Sometimes, our brains can misinterpret what we see, leading to optical illusions.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Shadows:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Shadows are formed when light is blocked by an object.<\/li>\n\n\n\n<li>The size and shape of a shadow depend on the angle and intensity of the light source.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Mirrors and Reflection:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Mirrors reflect light and allow us to see ourselves and objects behind us.<\/li>\n\n\n\n<li>The angle of incidence is equal to the angle of reflection.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Refraction and Lenses:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Refraction occurs when light passes through different substances, like air to water, causing it to change direction.<\/li>\n\n\n\n<li>Lenses, such as convex and concave lenses, use refraction to focus or diverge light, aiding in vision correction.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Invisibility and Camouflage:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Some materials can bend light around them, making them appear invisible.<\/li>\n\n\n\n<li>Animals and military technology often use camouflage to blend into their surroundings.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Natural vs. Artificial Light:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Natural light comes from the sun and provides a full spectrum of colors.<\/li>\n\n\n\n<li>Artificial light sources, like bulbs, can vary in color temperature and affect how objects appear.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/82716\/857\/640\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-138.png\" alt=\"\" class=\"wp-image-7938\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-138.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-138-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-138-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81651\/388\/834\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-136.png\" alt=\"\" class=\"wp-image-7939\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-136.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-136-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-136-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>What Makes Things Visible Key Notes : Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-4007","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=4007"}],"version-history":[{"count":10,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4007\/revisions"}],"predecessor-version":[{"id":19027,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4007\/revisions\/19027"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=4007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}