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.

Read  more
All Questions Ask Doubt
Answered Un Answered My Questions My Answers
Filter Questions

CBSE XI Science - Physics

Doubt in attached image

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

Answered by Expert View Answer

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

Answered by Expert View Answer

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

Answered by Expert View Answer

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

Answered by Expert View Answer

CBSE XI Science - Physics

establish Newton's first law from second law

Asked by anirbanagasti2002 | 6th Jun, 2021, 09:24: AM

Answered by Expert View Answer

CBSE XI Science - Biology

Why is the tension developed in muscle due to tetanic contraction more than the tension developed by contraction due to single twitch?

Asked by Aditi | 2nd Jun, 2021, 01:46: PM

Answered by Expert View Answer

CBSE XI Science - Physics

A planet moves around the earth in nearly circular orbit. Its period of revolution ‘T’ depends upon: (i) radius ‘r’ of the earth (ii) mass ‘m’ of the sun (iii) the gravitational constant ‘G’. Show dimensionally that T2 DIRECTLY PROPORTIONAL TO r3

Asked by akshat.anamika | 1st Jun, 2021, 09:44: AM

Answered by Expert View Answer

CBSE XI Science - Chemistry

Definatio of mole

Asked by yashaswiniasthana16 | 29th May, 2021, 05:57: PM

Answered by Expert View Answer

CBSE XI Science - Physics

give classification of unit with example

Asked by bamanetushar48 | 29th May, 2021, 02:16: PM

Answered by Expert View Answer

CBSE XI Science - Physics

According to relative velocity formula we know that when two bodies move towards each other the relative velocity is equal to the sum of two velocities. Then why in calculating upstream where the direction of velocity of stream is against the direction of velocity of boat in still water we subtract the former from the latter even when they are opposite to each other? 

Asked by ahanaganguly55 | 28th May, 2021, 03:59: PM

Answered by Expert View Answer
Filter Questions