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

A 0.15kg glider is moving to the right on a frictionless horizontal air track with a speed of 0.80m/s .It has a head on collision with a 0.300 kg glider that is moving to the left with a speed of 2.2m/s .Find the final velocity (magnitude and direction) of each glider if the collision is elastic.

Asked by arjunsah797 | 21st Jun, 2021, 06:57: AM

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CBSE XI Science - Chemistry

Write the IUPAC name of the given compound. 

Asked by hitanshu04 | 17th Jun, 2021, 07:20: PM

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CBSE XI Science - Chemistry

The hybrid orbitals give stronger covalent bond due to

Asked by rushikeshpandav00 | 17th Jun, 2021, 01:43: PM

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CBSE XI Science - Physics

State Hook's law on what factors does the modulus of elasticity of a subtance depend?

Asked by souravkheto234 | 17th Jun, 2021, 12:13: PM

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CBSE XI Science - Biology

Why does enzyme activity decrease at higher temperature?

Asked by rashmi.m2004 | 16th Jun, 2021, 10:56: PM

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CBSE XI Science - Mathematics

find the number of terms comon to two A.P.'s : 3,7,11,.....,407 and 2,9,16,....,709.  

Asked by shivangkarol | 16th Jun, 2021, 01:18: PM

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CBSE XI Science - Physics

Doubt in attached image

Asked by agarwalakshat2705 | 12th Jun, 2021, 12:04: PM

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CBSE XI Science - Physics

Calculate the change in volume of an iron block 10cm ×20cm×5cm if its temperature is raised from 10°c to 40°c Given coefficient of linear expansion of iron = 1.2×10^-5 °c ^-1

Asked by sanjanapujar80 | 12th Jun, 2021, 10:29: AM

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CBSE XI Science - Chemistry

For metals, specific heat x atomic weight = 1.6 x A. What is the value of A?

Asked by anujanandre50 | 7th Jun, 2021, 08:45: PM

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CBSE XI Science - Chemistry

How many gram of nh3 will be produce when 50g N2 react with h2  

Asked by ishaansax007 | 7th Jun, 2021, 04:36: PM

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