CBSE Class 11-science Questions and Answers

If you are looking for Class 11 Science online study materials, you’ve come to the right place. On TopperLearning, you’ll find quality e-learning materials for subjects such as Physics, Chemistry, Biology, Mathematics, and Hindi. These study materials include sample papers, MIQs, textbook solutions, video lessons and more.

Understand the course structure and exam paper pattern by going through the latest CBSE Class 11 Science syllabus. With access to the accurate list of syllabus topics, you’ll be able to create an appropriate study plan for your exams. Revision is key to remembering the key concepts learned in class. Get free access to the important revision notes for CBSE Class 11 science prepared by TopperLearning’s experts. Also, improve your Hindi writing skills with textbook solutions or understand concepts in Physics with our conceptual videos.

You just need to access your TopperLearning dashboard for utilising our compiled CBSE Class 11 Science study resources such as sample papers, NCERT solutions, syllabus, videos, revision notes and online mock tests. Study complex topics as per your convenience with our 24/7 access to CBSE Class 11 Science resources and score well in your CBSE final exams for Class 11.

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CBSE XI Science - Physics

(i) If you take a chair and tilt it such that it makes an angle theta with the ground, will pushing the chair be easier or pulling? (ii) If you take the same chair and don't tilt it, will pushing be easier or pulling?

Asked by kalpanasingh.ito | 16th Feb, 2020, 07:25: PM

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CBSE XI Science - Chemistry

carbon react with chlorine to form ccl4 .36gm of carbon was mixed with 142gmof ccl2.calculate mass of ccl4 produce and remaining mass of reactant  

Asked by aliadil96935 | 16th Feb, 2020, 05:46: PM

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CBSE XI Science - Mathematics

Find the range  f(x)= root 9-x^2 my doubt is that the answer says [0,3]. But since we have a square root, won't we get range [-3,3]?

Asked by fishtailfever | 15th Feb, 2020, 05:11: PM

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CBSE XI Science - Chemistry

Molecular orbital theory explanation

Asked by mandriosa67 | 13th Feb, 2020, 03:03: PM

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CBSE XI Science - Mathematics

In a triangle ABC, (b^2 - c^2) / (b^2 + c^2) = sin(B - C) / sin(B + C), prove that it is either a right-angled or isoceles triangle.

Asked by kandappan | 13th Feb, 2020, 01:40: PM

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CBSE XI Science - Mathematics

AB is a line of fixed length, 6 units, joining the points A(t,0) and B which lies on thepositive y axis. P is a point on AB distant 2 units from A. Express the coordinates of B and P in terms of t. Find the locus of P as t varies.

Asked by kandappan | 13th Feb, 2020, 01:39: PM

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CBSE XI Science - Biology

how can remember the calvin cycle

Asked by Shilpaprasad737 | 11th Feb, 2020, 11:10: PM

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CBSE XI Science - Mathematics

Solve (x+7/x+4)>1;x belongs to R

Asked by sankarprasadroy1187 | 11th Feb, 2020, 07:03: PM

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CBSE XI Science - Chemistry

Difference between carbon dioxide and carbon monoxide ???

Asked by Molaypaul700 | 10th Feb, 2020, 10:32: PM

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CBSE XI Science - Chemistry

mass of aluminium is 500 gm .how much amount of heat needs to supply in order to increase its temperature by 40 degree celcius    

Asked by Leenatripathi20 | 10th Feb, 2020, 07:12: PM

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