{"id":86864,"date":"2025-06-01T04:22:14","date_gmt":"2025-06-01T04:22:14","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86864"},"modified":"2025-06-01T04:22:14","modified_gmt":"2025-06-01T04:22:14","slug":"the-speed-of-particles-in-a-matter-usually-increases-with-a-rise-in-te","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-speed-of-particles-in-a-matter-usually-increases-with-a-rise-in-te\/","title":{"rendered":"The speed of particles in a matter usually increases with a rise in te"},"content":{"rendered":"

The speed of particles in a matter usually increases with a rise in temperature. Which one of the following phenomena is responsible for it?<\/p>\n

[amp_mcq option1=”An increase in kinetic energy” option2=”A decrease in kinetic energy” option3=”An increase in decomposition” option4=”A decrease in reaction rate” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC Geoscientist – 2022<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe phenomenon responsible for the speed of particles in matter usually increasing with a rise in temperature is an increase in kinetic energy.
\n<\/section>\n
\n– Temperature is a direct measure of the average kinetic energy of the particles (atoms, molecules, ions) within a substance.
\n– As temperature increases, the particles absorb thermal energy, which is converted into kinetic energy.
\n– Increased kinetic energy means the particles move faster and vibrate more vigorously.
\n<\/section>\n
\n– This increase in particle speed and kinetic energy explains phenomena like diffusion happening faster at higher temperatures, the expansion of matter when heated, and the transition between states of matter (solid to liquid, liquid to gas) as particles gain enough energy to overcome intermolecular forces.
\n– Options C and D relate to chemical reaction rates, which are influenced by the kinetic energy and collisions of particles, but the fundamental reason for increased particle speed with temperature is the increased kinetic energy itself.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

The speed of particles in a matter usually increases with a rise in temperature. Which one of the following phenomena is responsible for it? [amp_mcq option1=”An increase in kinetic energy” option2=”A decrease in kinetic energy” option3=”An increase in decomposition” option4=”A decrease in reaction rate” correct=”option1″] This question was previously asked in UPSC Geoscientist – 2022 … <\/p>\n

Detailed SolutionThe speed of particles in a matter usually increases with a rise in te<\/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":[1091],"tags":[1108,1130,1128],"class_list":["post-86864","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1108","tag-heat-and-thermodynamics","tag-physics","no-featured-image-padding"],"yoast_head":"\nThe speed of particles in a matter usually increases with a rise in te<\/title>\n<meta name=\"description\" content=\"The phenomenon responsible for the speed of particles in matter usually increasing with a rise in temperature is an increase in kinetic energy. - Temperature is a direct measure of the average kinetic energy of the particles (atoms, molecules, ions) within a substance. - As temperature increases, the particles absorb thermal energy, which is converted into kinetic energy. - 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