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

prove that in an elastic one dimensional collision between two bodies, the relative velocity of approach before collision is equal to the relative velocity of seperation after the collision. Hence derive expressions for the velocities of two bodies in terms of their initial velocities before collision.  

Asked by shafiaagha999 | 27th Feb, 2020, 11:40: PM

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CBSE XI Science - Chemistry

In nuclear fusion, Which isotopes of hydrogen combine to form helium?

Asked by ombhattarai693 | 27th Feb, 2020, 08:44: PM

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CBSE XI Science - Physics

Pls solve

Asked by suchananag2002 | 27th Feb, 2020, 09:48: AM

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CBSE XI Science - Physics

springs A and B are identical except that A is stiffer than B .in which spring is more work expended if 1)they are streched by the same amount 2) they are streched by the same force?

Asked by ana2003mika | 26th Feb, 2020, 08:24: PM

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CBSE XI Science - Physics

A man goes from A to B at 40km/h speed and return B to A at 60km/h

Asked by ranjanvvn | 26th Feb, 2020, 12:11: PM

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CBSE XI Science - Chemistry

Pl answer

Asked by jain.pradeep | 26th Feb, 2020, 10:00: AM

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CBSE XI Science - Chemistry

what is vertical Collumn

Asked by kumarm2793 | 24th Feb, 2020, 03:23: PM

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CBSE XI Science - Mathematics

Examine whether the point (4, 5) lies outside or inside the circle of equation x^2+y^2-2x-3=0

Asked by sbipo2000 | 23rd Feb, 2020, 03:43: PM

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CBSE XI Science - Chemistry

The molecular formula of saturated hydrocarbon is 72. How many structural isomers are possible

Asked by bittutiwary1234 | 23rd Feb, 2020, 12:15: AM

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CBSE XI Science - Chemistry

ans with solutions

Asked by anilsolanki2060 | 22nd Feb, 2020, 10:12: AM

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