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 - Chemistry

In a wedge dash structure is the solid wedge more stable than the dashed wedge . If not then why is (c) preferred over (a). 

Asked by prakriti12oct | 12th Dec, 2019, 12:00: AM

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CBSE XI Science - Chemistry

What are electron deficient, rich & precise hydride ?

Asked by vatsal012345 | 9th Dec, 2019, 11:09: PM

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CBSE XI Science - Mathematics

If A+B+C=π then prove that  Cos^A+Cos^B+Cos^C=1-2CosA.CosB.CosC

Asked by vikassuradkar2015 | 8th Dec, 2019, 11:11: PM

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CBSE XI Science - Physics

A plane is inclined at angle of 30degree with the horizontal . Calculate the component of vector 10k^ perpendicular to this plane. Consider the z direction is vertically upwards.

Asked by kkdmmdsd | 7th Dec, 2019, 04:00: PM

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CBSE XI Science - Mathematics

Find the equation of line which has positive y intercept 4 units and is parallel to the line 2x -3y=7 also find the pt where it cuts the x axis

Asked by sushma.vastav | 7th Dec, 2019, 08:10: AM

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CBSE XI Science - Mathematics

find a and b so that the lines ax+8y+b=0,2x+ay-1=0 may be parallel or perpendicular  

Asked by ankitakhokhar56 | 6th Dec, 2019, 02:51: PM

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CBSE XI Science - Biology

Explain Electron Transport System  (oxidative photo phosphorylation) with the help of given figure.

Asked by ra6212463 | 5th Dec, 2019, 08:40: PM

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CBSE XI Science - Physics

Some examples of translation mition

Asked by vijoygurupreet1135 | 5th Dec, 2019, 12:40: PM

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CBSE XI Science - Physics

How does the change in the center of mass affect the time period of Bob? explain with diagram

Asked by polyrelation | 4th Dec, 2019, 10:35: AM

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CBSE XI Science - Chemistry

Do group 2 elements show photoelectric effect?

Asked by sumitasarkarkandi | 2nd Dec, 2019, 06:32: PM

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