CBSE Class 12-science Questions and Answers

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CBSE XII Science - Physics

What is the electric field flux through the base of a cube from a point charge infinitesimally close to a vertex?

Asked by Swarnali | 16th Oct, 2019, 07:28: PM

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CBSE XII Science - Mathematics

Lim        x--> 1    (x-1)/log x

Asked by Shaikhshikha25 | 15th Oct, 2019, 12:09: PM

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CBSE XII Science - Chemistry

What happens when methyl chloride is treated with Na in presence of dry ether?

Asked by hrishikesh07092002 | 13th Oct, 2019, 10:23: PM

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CBSE XII Science - Physics

What is the centre of mass of the following:- 1. Pyramid 2. Regular hexagon

Asked by rushabhjain.av | 13th Oct, 2019, 07:26: PM

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CBSE XII Science - Physics

If any electric field exists in the conductor ,it would produce ordered motion of electrons without expense of external energy.This violates law of conservation of energy.PLEASE EXPLAIN THESE LINES

Asked by govtsecschoolnayaganv051 | 13th Oct, 2019, 07:55: AM

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CBSE XII Science - Biology

Is there any limitations of dihybrid cross?

Asked by mesweetayushigupta | 13th Oct, 2019, 01:01: AM

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CBSE XII Science - Physics

A charge Q mass M moving around a fixed charge q in a circular path radius r.then what's the time period (T) of charge Q?

Asked by tapas.purna | 12th Oct, 2019, 11:39: PM

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CBSE XII Science - Physics

Find minimum ratio of cofficient of frictions between block and block to block and surfacevso that both masses move together with application of force F.

Asked by anandpatel1081995 | 12th Oct, 2019, 07:54: PM

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CBSE XII Science - Physics

Please explain it's solution

Asked by Sumantarout.200 | 12th Oct, 2019, 07:02: PM

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CBSE XII Science - Physics

Find the centre of mass of the following:- 1. Diamond  2. Pyramid 3. Hexagon 4. Raindrop if it is irregular in shape  

Asked by rushabhjain.avv | 12th Oct, 2019, 01:45: PM

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