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Welcome to EduRev
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"; var showMoreTxt = ""; if (showMoreCount == 1) { showMoreTxt = "View " + showMoreCount + " more course"; } else { showMoreTxt = "View " + showMoreCount + " more courses"; } var showMoreHTML = ""; //var showMoreHTMLMob = ""; enrolledCoursesHTML = "
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No tests available in the enrolled courses
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"; moreEnrolledCourses = "View " + parseInt(parseInt(TotalLength) - parseInt(maxcourseshow)) + " more courses" + shmrimgarr; row = sh_mr + row; } else { $(".mycourses_showmore").html(showMoreHTML); //$(".mycourses_showmore_mob").html(showMoreHTMLMob); //row = row + showMoreHTML; //row += ""; moreEnrolledCourses = "View " + parseInt(parseInt(TotalLength) - parseInt(maxcourseshow)) + " more courses" + shmrimgarr; } } if (onlyunattempted != null && onlyunattempted != undefined && onlyunattempted != "" && onlyunattempted == true) { } else { if (row.length > 0) { $(".mycourses").show(); $(".mycourses").css("display", "inline-block"); $(".ed_innerBox_courses").css("display", "inline-block"); $(".ed_innerBox_courses").css("width", "100%"); row = headerText + filterhtml + row; mobileViewHtml = mobileViewHeaderHtml + filterhtml + mobileViewHtml; //$(".mycoursesmob").html(mobileViewHtml); var screenWidth = screen.width; if ($("#refreshCoursesList").val() != undefined && $("#refreshCoursesList").val() != null && $("#refreshCoursesList").val() != "" && ($("#refreshCoursesList").val() == "1" || $("#refreshCoursesList").val() == 1)) { if (screenWidth != null && screenWidth != undefined && screenWidth < 500) { $(".mycourses").html(mobileViewHtml); } else { $(".mycourses").html(row); } } else { if (screenWidth != null && screenWidth != undefined && screenWidth < 500) { $(".mycourses").html(mobileViewHtml); } else { $(".mycourses").append(row); } } } } //setTimeout(function () { //$.adaptiveBackground.run({ // exclude: ['rgb(0,0,0)'] // too many black pixels //}); //}, 5000); } else { $(".otr_opn_unatdtst").hide(); $(".otr_opn_unatdtst_a").hide(); $(".unatdtstcrshdr").html(""); $(".unattepmtedTestData_courses").html("
No tests available in the enrolled courses
"); $(".unattepmtedTestData_courses").show(); //$(".unatdtstcrshdr").show(); //$(".unattdtst_bck").hide(); } }, error: function (a, b, c) { console.log(a + "," + b + "," + c); } }); } }; showmorepurchased_courses = function (ctrl, hide_ctrl) { $(ctrl).show(); //$(hide_ctrl).html("View Less"); //$(hide_ctrl).attr("onclick", "showlesspurchased_courses('" + ctrl + "','" + hide_ctrl + "')"); $(hide_ctrl).html("View all courses"); $(hide_ctrl).attr("onclick", "gotoallcourse();"); } showlesspurchased_courses = function (ctrl, hide_ctrl) { $(ctrl).hide(); $(hide_ctrl).html(moreEnrolledCourses); //$(hide_ctrl).text("View All"); $(hide_ctrl).attr("onclick", "showmorepurchased_courses('" + ctrl + "','" + hide_ctrl + "')"); }
FAQs
What is the composition and structure of atmosphere class 11th Ncert? ›
The composition and structure of atmosphere is made up of a variety of gases, such as water vapour and dust particles. The two major gases in the atmosphere are nitrogen and oxygen. These two gases account for 99% of it. The remaining gases in the atmosphere include argon, carbon dioxide, neon, helium, hydrogen, etc.
What is the structure of atmosphere Class 11 geography? ›The atmosphere layer closest to the earth is referred to as the troposphere. Beyond the troposphere are the stratosphere, the ozone layer, the mesosphere, and the thermosphere. The atmosphere is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon.
What is atmosphere short answer Class 11? ›Atmosphere is the thin layer of air that surrounds the earth. It is made up of various gases such as oxygen, nitrogen, carbon dioxides, dust particles and water vapour. The gravitational force of the earth holds the atmosphere around it. It protects us from harmful rays and scorching heat of the sun.
What is the first chapter of geography class 11? ›NCERT Book for Class 11 Geography Chapter 1 Geography as a Discipline is available for reading or download on this page.
What is the composition of atmosphere PDF? ›The atmosphere is made up of different kinds of gases which surrounds the earth. Two important gases nitrogen and oxygen together are found on the 99% part of the atmosphere. The atmosphere is composed of troposphere, stratosphere, mesosphere, ionosphere and exosphere.
How many books are there in Class 11 geography Ncert? ›For Geography, there are three books provided by NCERT, each of which is a mandatory read. The Class 11th NCERT Geography books are – Indian Physical Environment, Fundamentals of Physical Geography and Practical Work in Geography.
What are the 5 layers of the atmosphere *? ›From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere. Troposphere. Earth's troposphere extends from Earth's surface to, on average, about 12 kilometers (7.5 miles) in height, with its height lower at Earth's poles and higher at the equator.
Why is the troposphere the most important layer of the atmosphere Class 11 geography? ›It is most important layer of the atmosphere because: Thickness of the troposphere is greatest at the equator because heat is transported to great heights by strong convectional currents. This layer contains dust particles and water vapour. All changes in climate and weather take place in this layer.
What are the important points of composition and structure of atmosphere? ›The atmosphere of earth is composed of nitrogen (78%), oxygen (21%), argon (0.9%), carbon dioxide (0.04%) and trace gases. A variable amount of water vapour is also present in the atmosphere (approx. 1% at sea level) and it decreases with altitude. Carbon dioxide gas is largely responsible for the greenhouse effect.
What is the 5 importance of atmosphere? ›Not only does it contain the oxygen we need to live, but it also protects us from harmful ultraviolet solar radiation. It creates the pressure without which liquid water couldn't exist on our planet's surface. And it warms our planet and keeps temperatures habitable for our living Earth.
What are the main elements of the atmosphere Class 11? ›
Dry air from earth's atmosphere contains 0.038% of carbon dioxide, 20.95% of oxygen, 78.08% of nitrogen and 0.93% of argon. Traces of hydrogen, neon, helium, nitrous oxide, ozone and other “noble” gases, but generally a variable amount of water vapour is also present, on average about 1% at sea level.
What are the four functions of the atmosphere? ›The atmosphere of Earth protects life on Earth by creating pressure allowing for liquid water to exist on the Earth's surface, absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night (the diurnal temperature variation ...
Which chapters are removed from class 11? ›CBSE Class 11 History Deleted Syllabus 2023: FAQs
The chapters which have been removed from Class 11 history syllabus are Early Societies, Nomadic Empires, and Confrontation of Cultures.
Yes, all candidates must read the NCERT books to learn the best topics and subjects covered. If you devote enough time and focus to your UPSC Preparation Strategy, the Class 11 geography NCERT will be sufficient. You can find every detail in the books.
Who is father of geography? ›Eratosthenes, the ancient Greek scholar is called the 'father of geography. He was the first one to use the word geography and he also had a small-scale notion of the planet that helped him to determine the circumference of the earth. About Eratosthenes: Eratosthenes was multi-talented.
What are the three 3 major compositions of Earth's atmosphere? ›Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
What is the structure of atmosphere short note? ›The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.
What is the composition of air short answer? ›Air is made up of different gases like nitrogen, oxygen, carbon dioxide and other inert gases. Nitrogen has the highest percentage of 78.09%, followed by oxygen of 20.95%, argon of 0.93%, carbon dioxide of 0.04%, and other gases in meagre amounts.
Is NCERT enough for 11? ›NCERT books are the best source for the Class 11 exam preparation; it also helps as a stepping stone for the preparation of JEE/NEET and other competitive exams. NCERT course is excellent when it comes to clearing the basic concepts of a student.
Is NCERT enough for class 11? ›N. C.E. R.T books are enough for class11 exams or not? N. C.E. R.T books are enough for class11 exams or not? Reading each n every line of ncert is not only enough for ur 11th exams...but it also helps u in scoring good marks in other exams like jee mains or Neet..
How can I download NCERT books for free? ›
First and foremost, you need to visit the official website of NCERT ie., ncert.nic.in. On the homepage, under the “Publications” tab, go to the “E-books” section. Here, you will find various options – PDF, Flipbook, ePub for Textbooks of Classes I-XII, and e-Textbooks of States/ UTs (ePub). Click on “PDF (I-XII)”.
What is the basic composition and structure of the atmosphere? ›Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases. These gases are found in atmospheric layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure.
What is the structure of the structure of the atmosphere? ›The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.
What is the meaning of composition and of the structure of the atmosphere? ›Atmosphere refers to the layer of gases that surrounds Earth and is held in place by Earth's gravitational attraction (gravity). The mix of gases in the atmosphere forms a complex system organized into layers that together support life on Earth.
What is the composition of the atmosphere? ›According to education site Vision Learning (opens in new tab) Earth's atmosphere is composed of approximately 78 percent nitrogen, 21 percent oxygen, 0.93 percent Argon, 0.04 percent carbon dioxide as well as trace amounts of neon, helium, methane, krypton, ozone and hydrogen, as well as water vapor.