{"id":7237,"date":"2024-04-15T02:41:47","date_gmt":"2024-04-15T02:41:47","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=7237"},"modified":"2024-04-15T02:41:47","modified_gmt":"2024-04-15T02:41:47","slug":"a-liquid-would-wet-the-solid-if-adhesion-forces-as-compared-to-cohesion-forces-are-a-less-b-more-c-equal-d-less-at-low-temperature-and-more-at-high-temperature","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/a-liquid-would-wet-the-solid-if-adhesion-forces-as-compared-to-cohesion-forces-are-a-less-b-more-c-equal-d-less-at-low-temperature-and-more-at-high-temperature\/","title":{"rendered":"A liquid would wet the solid, if adhesion forces as compared to cohesion forces are A. less B. more C. equal D. less at low temperature and more at high temperature"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;less&#8221; option2=&#8221;more&#8221; option3=&#8221;equal&#8221; option4=&#8221;less at low temperature and more at high temperature&#8221; correct=&#8221;option1&#8243;]<!--more--><\/p>\n<p>The correct answer is: A. less.<\/p>\n<p>Adhesion is the force of attraction between two different substances, while cohesion is the force of attraction between molecules of the same substance. When a liquid wets a solid, the adhesion forces between the liquid and the solid are greater than the cohesion forces between the liquid molecules. This causes the liquid to spread out on the surface of the solid.<\/p>\n<p>If the adhesion forces are less than the cohesion forces, the liquid will not wet the solid. Instead, the liquid will form droplets on the surface of the solid.<\/p>\n<p>The following are the explanations of each option:<\/p>\n<ul>\n<li>Option B: If the adhesion forces are more than the cohesion forces, the liquid will wet the solid very well. The liquid will spread out on the surface of the solid and form a thin film.<\/li>\n<li>Option C: If the adhesion forces are equal to the cohesion forces, the liquid will neither wet nor bead on the solid. The liquid will form a spherical droplet on the surface of the solid.<\/li>\n<li>Option D: The adhesion forces are not affected by temperature. The liquid will wet the solid or not wet the solid depending on the relative magnitude of the adhesion and cohesion forces.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;less&#8221; option2=&#8221;more&#8221; option3=&#8221;equal&#8221; option4=&#8221;less at low temperature and more at high temperature&#8221; correct=&#8221;option1&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[648],"tags":[],"class_list":["post-7237","post","type-post","status-publish","format-standard","hentry","category-hydraulics-and-fluid-mechanics","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A liquid would wet the solid, if adhesion forces as compared to cohesion forces are A. 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