{"id":4068,"date":"2016-05-06T11:49:00","date_gmt":"2016-05-06T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/"},"modified":"2023-03-22T16:47:24","modified_gmt":"2023-03-22T11:17:24","slug":"ncert-solutions-class-10-science-sources-of-energy-part-2","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/","title":{"rendered":"NCERT Solutions for Class 10 Science Sources of Energy Part 2"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#NCERT_Class_10_Science_Chapter_wise_Solutions\" >NCERT Class 10 Science Chapter wise Solutions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#NCERT_Solutions_for_Class_10_Science_Sources_of_Energy_Part_2\" >NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/a><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><ul class='ez-toc-list-level-6' ><li class='ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#2_Which_of_the_following_is_not_an_example_of_a_bio-mass_energy\" >2. Which of the following is not an example of a bio-mass energy?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#3_Most_of_the_sources_of_energy_we_use_represent_stored_solar_energy_Which_of_the_following_is_not_ultimately_derived_from_the_Suns_energy\" >3. Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun\u2019s energy?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#4_Compare_and_contrast_fossils_fuels_and_the_Sun_as_direct_sources_of_energy\" >4. Compare and contrast fossils fuels and the Sun as direct sources of energy.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#5_Compare_and_contrast_bio-mass_and_hydro_electricity_as_sources_of_energy\" >5. Compare and contrast bio-mass and hydro electricity as sources of energy.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#6_What_are_the_limitations_of_extracting_energy_from\" >6. What are the limitations of extracting energy from:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#7_On_what_basis_would_you_classify_energy_sources_as\" >7. On what basis would you classify energy sources as<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#8_What_are_the_qualities_of_an_ideal_source_of_energy\" >8. What are the qualities of an ideal source of energy?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#9_What_are_the_advantages_and_disadvantages_of_using_a_solar_cooker_Are_there_places_where_solar_cookers_would_have_limited_utility\" >9. What are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers would have limited utility?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-6'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#10_What_are_the_environmental_consequences_of_the_increasing_demand_for_energy_What_steps_would_you_suggest_to_reduce_energy_consumption\" >10. What are the environmental consequences of the increasing demand for energy? What steps would you suggest to reduce energy consumption?<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#NCERT_Solutions_for_Class_10_Science\" >NCERT Solutions for Class 10 Science<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/#CBSE_app_for_Students\" >CBSE app for Students<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 10 Science Sources of Energy Part 2 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 10 Science chapter wise NCERT solution for Science Book for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>NCERT solutions for Class 10 Science\u00a0Sources of Energy <a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-10-science\/1176\/ncert-solutions\/5\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/10%20Science%20Book.jpg\" alt=\"NCERT Solutions for Class 10 Science Sources of Energy Part 2\" width=\"126\" height=\"155\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_10_Science_Chapter_wise_Solutions\"><\/span><span class=\"underline-text\">NCERT Class 10 Science Chapter wise Solutions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>1 \u2013 Chemical Reactions and Equations<\/li>\n<li>2 \u2013 Acids, Bases and Salts<\/li>\n<li>3 \u2013 Metals and Non-metals<\/li>\n<li>4 \u2013 Carbon and Its Compounds<\/li>\n<li>5 \u2013 Periodic Classification of Elements<\/li>\n<li>6 \u2013 Life Processes<\/li>\n<li>7 \u2013 Control and Coordination<\/li>\n<li>8 \u2013 How do Organisms Reproduce?<\/li>\n<li>9 \u2013 Heredity and Evolution<\/li>\n<li>10 \u2013 Light Reflection and Refraction<\/li>\n<li>11 \u2013 Human Eye and Colourful World<\/li>\n<li>12 \u2013 Electricity<\/li>\n<li>13 \u2013 Magnetic Effects of Electric Current<\/li>\n<li>14 \u2013 Sources of Energy<\/li>\n<li>15 \u2013 Our Environment<\/li>\n<li>16 \u2013 Management of Natural Resources<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science_Sources_of_Energy_Part_2\"><\/span>NCERT Solutions for Class 10 Science Sources of Energy Part 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>1. A solar water heater cannot be used to get hot water on<\/strong><\/p>\n<p><strong>(a) a sunny day<\/strong><\/p>\n<p><strong>(b) a cloudy day.<\/strong><\/p>\n<p><strong>(c) a hot day<\/strong><\/p>\n<p><strong>(d) a windy day. <\/strong><\/p>\n<p><strong>Ans. (b)<\/strong> cloudy day.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"2_Which_of_the_following_is_not_an_example_of_a_bio-mass_energy\"><\/span><strong>2. Which of the following is not an example of a bio-mass energy? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) wood<\/strong><\/p>\n<p><strong>(b) gobar-gas<\/strong><\/p>\n<p><strong>(c) nuclear energy<\/strong><\/p>\n<p><strong>(d) coal<\/strong><\/p>\n<p><strong>Ans. (c)<\/strong> nuclear energy<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"3_Most_of_the_sources_of_energy_we_use_represent_stored_solar_energy_Which_of_the_following_is_not_ultimately_derived_from_the_Suns_energy\"><\/span><strong>3. Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun\u2019s energy? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) geothermal energy<\/strong><\/p>\n<p><strong>(b) wind energy<\/strong><\/p>\n<p><strong>(c) nuclear energy<\/strong><\/p>\n<p><strong>(d) bio-mass <\/strong><\/p>\n<p><strong>Ans. (c) <\/strong>nuclear energy<\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"4_Compare_and_contrast_fossils_fuels_and_the_Sun_as_direct_sources_of_energy\"><\/span><strong>4. Compare and contrast fossils fuels and the Sun as direct sources of energy.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Distinction between fossils fuels and Sun energy:<\/p>\n<p><img decoding=\"async\" id=\"Picture 1\" style=\"height: 237px; width: 611px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch14\/image001.png\" \/><\/p>\n<hr \/>\n<h6><span class=\"ez-toc-section\" id=\"5_Compare_and_contrast_bio-mass_and_hydro_electricity_as_sources_of_energy\"><\/span><strong>5. Compare and contrast bio-mass and hydro electricity as sources of energy.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>Difference between bio-mass and hydroelectricity:<\/p>\n<p><img decoding=\"async\" id=\"Picture 2\" style=\"height: 239px; width: 612px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/10\/science\/ch14\/image002.png\" \/><\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"6_What_are_the_limitations_of_extracting_energy_from\"><\/span><strong>6. What are the limitations of extracting energy from: <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) the wind?<\/strong><\/p>\n<p><strong>(b) waves?<\/strong><\/p>\n<p><strong>(c) tides?<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Ans. Limitation of extracting energy from the wind: <\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>i. <\/strong>It can be established at those places only, where wind blows for the greater part of a year.<\/p>\n<p style=\"text-align: justify;\"><strong>ii. <\/strong>Wind speed should be higher than 15 km\/h.<\/p>\n<p style=\"text-align: justify;\"><strong>iii.<\/strong> It requires high level of maintenance.<\/p>\n<p style=\"text-align: justify;\"><strong>Limitation of extracting wave energy and tidal energy:<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><u>i<\/u>. <\/strong>It can be harnessed by trapping the sea waves in a dam. Only very few suitable sites exist where dams can be constructed.<\/p>\n<p style=\"text-align: justify;\"><strong>ii.<\/strong> It is not a continuous and reliable source of energy.<\/p>\n<p style=\"text-align: justify;\"><strong>iii. <\/strong>it is extremely costly and difficult to use.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"7_On_what_basis_would_you_classify_energy_sources_as\"><\/span><strong>7. On what basis would you classify energy sources as <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>(a) renewable and non-renewable?<\/strong><\/p>\n<p><strong>(b) exhaustible and inexhaustible? <\/strong><\/p>\n<p><strong>Are the options given in (a) and (b) the same?<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Ans. (a) <\/strong>Renewable sources of energy are those sources which can be regenerated again. Non-renewable sources of energy are those sources which would get depleted some day and cannot be regenerated.<\/p>\n<p style=\"text-align: justify;\"><strong>(b) <\/strong>Exhaustible sources of energy are those which will be exhausted some day and cannot be regenerated. Inexhaustible sources of energy are those which can be regenerated again due to some continuing or repetitive currents of energy and are inexhaustible.<\/p>\n<p style=\"text-align: justify;\">Options in both cases are exactly same.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"8_What_are_the_qualities_of_an_ideal_source_of_energy\"><\/span><strong>8. What are the qualities of an ideal source of energy?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. <\/strong>The qualities of ideal sources of energy are:<\/p>\n<p style=\"text-align: justify;\"><strong>(a) <\/strong>It should be easily accessible, inexhaustible and a renewable source of energy and cost of harnessing energy should be reasonably small.<\/p>\n<p style=\"text-align: justify;\"><strong>(b) <\/strong>It should be easily stored and transported.<\/p>\n<p style=\"text-align: justify;\"><strong>(c) <\/strong>It should have high calorific value.<\/p>\n<p style=\"text-align: justify;\"><strong>(d) <\/strong>It should be pollution free.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"9_What_are_the_advantages_and_disadvantages_of_using_a_solar_cooker_Are_there_places_where_solar_cookers_would_have_limited_utility\"><\/span><strong>9. What are the advantages and disadvantages of using a solar cooker? Are there places where solar cookers would have limited utility? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p style=\"text-align: justify;\"><strong>Ans. Advantage of solar cooker: <\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>a. <\/strong>There is no cost of fuel.<\/p>\n<p style=\"text-align: justify;\"><strong>b. <\/strong>It is environment friendly and there is no residue like ash etc.<\/p>\n<p style=\"text-align: justify;\"><strong>c. <\/strong>Cooking is hygienic and nutritious.<\/p>\n<p style=\"text-align: justify;\"><strong>Disadvantage of solar cooker: <\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>a. <\/strong>The cooking is slow.<\/p>\n<p style=\"text-align: justify;\"><strong>b.<\/strong> It cannot be used at all times.<\/p>\n<p style=\"text-align: justify;\"><strong>c. <\/strong>A solar cooker can perform only limited functions.<\/p>\n<hr \/>\n<p style=\"text-align: center;\">NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/p>\n<h6><span class=\"ez-toc-section\" id=\"10_What_are_the_environmental_consequences_of_the_increasing_demand_for_energy_What_steps_would_you_suggest_to_reduce_energy_consumption\"><\/span><strong>10. What are the environmental consequences of the increasing demand for energy? What steps would you suggest to reduce energy consumption? <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h6>\n<p><strong>Ans. <\/strong>The increasing demand for energy is largely being met by the use of fossil fuels. But these fuels are exhaustible and non-renewable sources of energy. Moreover, burning of fossils fuels cause air pollution. Release of acidic oxides leading to acid rain that affect our water and soil resources. These gases also produce greenhouse effect leading to increase the temperature of earth.<\/p>\n<p style=\"text-align: justify;\">To reduce energy consumption we should lead a simple and a natural life. As an example, instead of using an air conditioner in a closed room we should live in an airy room having appropriate number of windows.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_10_Science\"><\/span>NCERT Solutions for Class 10 Science<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 10 Science PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 10 Science includes text book solutions from Book. NCERT Solutions for CBSE Class 10 Science have total 16 chapters. 10 Science NCERT Solutions in PDF for free Download on our website. Ncert Science class 10 solutions PDF and Science ncert class 10 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Students\"><\/span>CBSE app for Students<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To download\u00a0NCERT Solutions for class 10 Social Science, Computer Science, Home Science,Hindi ,English, Maths Science do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 10 Science Sources of Energy Part 2 Class 10 Science Class book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE Board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from &#8230; <a title=\"NCERT Solutions for Class 10 Science Sources of Energy Part 2\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-10-science-sources-of-energy-part-2\/\" aria-label=\"More on NCERT Solutions for Class 10 Science Sources of Energy Part 2\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":30049,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[281,1367],"tags":[1043,283,438,216,349],"class_list":["post-4068","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ncert-solutions","category-science-cbse-class-10","tag-cbse-class-10-science","tag-cbse-study-material","tag-class-10","tag-ncert-solutions","tag-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions for Class 10 Science Sources of Energy Part 2<\/title>\n<meta name=\"description\" content=\"NCERT Solutions for Class 10 Science Sources of Energy Part 2 in PDF format for free download. 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