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Electromagnetism the important part and is one of the highly weighted sections for JEE Physics. Kaysons education is online learning platform administers and fulfils this space by providing the best electromagnetism chapters for jee study material, video lectures, doubt clearing class and test series for the assistance of students.

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How to study Electromagnetism for IIT JEE? Kaysons education discussed every chapter, some most important Tips and Tricks for the JEE Exam.

Electromagnetism the important part and is one of the highly weighted sections for JEE Physics. Kaysons education is online learning platform administers and fulfils this space by providing the best electromagnetism chapters for jee study material, video lectures, doubt clearing class and test series for the assistance of students.

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The question of "how to prepare for JEE 2023 without coaching" is the best solution by Kaysons. We are firm believers that if a student is helped in organizing his education, he can easily clear JEE, so that we can provide him with an organized study planner for JEE. Students can download the planner for JEE preparation for free and use it.

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Prepare for IIT JEE Without Coaching. Kaysons online learning institute has come up with the best online education experience for the engineering students.

The question of "how to prepare for JEE 2023 without coaching" is the best solution by Kaysons. We are firm believers that if a student is helped in organizing his education, he can easily clear JEE, so that we can provide him with an organized study planner for JEE. Students can download the planner for JEE preparation for free and use it.

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Study of reactions in which reactants are fast adsorbed on the surface medium which may further act as a catalyst for the reaction . This chapter differentiates between the concepts of absorption , adsorption and desorption .

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Easiest way to find the log of any number without tables

Well, it is often needed to get the logarithm of a number without log tables.

So, it is advisable to know a few common techniques which may be useful in finding the logarithm of many numbers (logarithm to the base 10).

Below I have mentioned some useful ways to find the logarithm of numbers :

1. log 2 = 0.3010

2. log 3 = 0.4771

3. log 7 = 0.8451

4. log e = 0.693

5. Learn the above 4 logarithms. They will be useful in computing the logarithm of other numbers that are frequently required in various competitive examinations

6. log (ab) = log a + log b -> first logarithm identity

7. log (a/b) = log a - log b -> second logarithm identity

8. log (a^b) = b loga -> third logarithm identity

9. now to compute the logarithm of many other numbers , we can use these identities along with the 4 standard algorithms mentioned above.

Let's see some examples :

suppose you need to find log 5

now log 5 = log (10 / 2) = log 10 - log 2 (using second logarithm identity)

now we know that log 10 = 1

and log 2 = 0.3010

so log 5 = log 10 - log 2 = 1 - 0.3010 = 0.6990

this way, we were able to find log 5

now let us take more examples of computing log

suppose you are asked to find log 12

now log 12 = log (3 * 4) = log 3 + log 4 (using first logarithm identity)

now we directly know log 3 = 0.4771

but we need to calculate log 4

log 4 = log (2 * 2) = log 2 + log 2 (using first logarithm identity) = 2 log 2

alternatively, log 4 = log (2 ^ 2) = 2 log 2 (using third logarithm identity)

this way, log 12 = log 3 + 2 log 2 = 0.4771 + 2 * 0.3010 = 0.4771 + 0.6020 = 1.0791

find this using a calculator

you will conclude that our answer is correct upto 4 decimal places which is good enough for most competitive exams

using these small techniques, you can find the logarithm of a large number of numbers

however, there are a few limitations

logarithm of some numbers cannot be found using this method

for example, you cannot find log 11 using this technique

think why ?

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Hope this will help you in competitive exams

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