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CBSE Class 12-science Questions and Answers

Adequate preparation for Class 12 Science subjects also gives you an edge if you want to pursue engineering or medicine-related courses in reputed colleges in India. The reason is, your Class 12 Science syllabus topics are part of the syllabus of competitive exams like JEE or NEET. You can find all the necessary resources for your Class 12 exam preparation along with JEE and NEET prep e-learning materials on TopperLearning.

Now, you can quickly revise Class 12 topics with our complete textbook solutions for NCERT CBSE Class 12 Science. Our Class 12 textbook solutions cover subjects such as Physics, Biology, Chemistry, Mathematics and Hindi. For extra practise, our textbook solutions also consist of free RD Sharma solutions for Class 12 Mathematics. Study thoroughly by using our model answers that are created by subject experts, as per your latest Class 12 Science syllabus and exam guidelines.

Browse through our CBSE Class 12 Science resources and add these resources to your study plan as required. Practise questions from CBSE Class 12 Science Mathematics a little more or revise the most important questions in Physics multiple times. And if you come across difficulties, ask your questions through our ‘Ask a Doubt’ section to get the necessary answers. This way, preparing for your exam with some of the best Class 12 study materials right here on TopperLearning can support you in achieving the desired score in your board exam.

CBSE 12-science - Physics
calculate the distance between two protons if the repulsive force acting between them is equal to weight a proton
Asked by rishabhverma895334 | 01 Mar, 2024, 07:24: AM
CBSE 12-science - Physics
In the figure shown, the equivalent resistance between A and B is
Asked by ajaya_kumar30 | 29 Feb, 2024, 05:47: PM
CBSE 12-science - Maths
find missing number
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Asked by anjalipatel13032000 | 02 Feb, 2024, 06:38: PM
CBSE 12-science - Physics
In question 16, I have found net magnetic field to be ûJR, but the answer is option c
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Asked by suyashnegi153 | 30 Jan, 2024, 08:58: AM
CBSE 12-science - Chemistry
The molar specific heat capacity for a monoatomic gas, if it is expanding under the condition Pa V5/3 is
Asked by hellhertzhertz | 14 Jan, 2024, 01:21: PM
CBSE 12-science - Physics
Can I crack SRMJEE and VITEEE without JEE preparation? Please send me answers. I am really very stressed about it.
Asked by bhattacharjeeswoasti | 06 Jan, 2024, 06:55: PM
CBSE 12-science - Chemistry
for a travelling wave travelling on a string Y = Asin(kx-wt) the potential energy per unit volume is
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Asked by radhikaagrawal2311 | 01 Jan, 2024, 10:39: PM
CBSE 12-science - Hindi
visheshan
Asked by c1691864 | 21 Dec, 2023, 01:05: AM
CBSE 12-science - Maths
solve it.
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Asked by sdmbotch1123 | 30 Sep, 2023, 11:25: AM
CBSE 12-science - Maths
There are a number of different suburban lines in Mumbai, some of which meet at a common station. At one such station, Dadar, the builders want to accommodate passenger flow across the Central and Western lines by building a bridge between each terminus. The bridge is designed to typically carry two people side by side, but during rush hour it sees up to three people squeeze into one row, rushing to get to the other end. At a given point of time eighty such rows of commuters are seen jostling on the bridge. The population of passengers at rush hour is almost exclusively made up of adult men and women, whose weight is normally distributed with an average of about 65 kg with a standard deviation of about 15 kg. A) If the bridge’s beams can hold a weight of 16 metric tons before they start to bend (this is safe but creates panic among the passengers), how often would you expect the bridge to sag? (Express your answer in the form "about 1 in every n days") B) Given that the morning and evening peak traffic periods together last about an hour and a half, and the turnover on the bridge is such that it's like having a new trip with 240 new people about every minute during this period, do you regard the bridge’s frequency of sagging as acceptably low? C) If the engineers had wanted the bridge’s beams to bend only about once a year, how much weight should they have designed it to carry?
Asked by shahvinit3232 | 19 Aug, 2023, 11:14: PM
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