CBSE Class 11-science Questions and Answers

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CBSE XI Science - Physics

what is lowest speed of an object in the projectile motion fired with an angle 30º and speed is 5m/s?

Asked by nirvardhansinghranawat7773 | 11th Oct, 2019, 01:27: PM

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CBSE XI Science - Physics

W​​​​​ what will be the ratio of the moments of masses if one of the masses is n times as heavy as the other have equal kinetic energy?

Asked by chandrikapradhan2003 | 10th Oct, 2019, 10:12: AM

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CBSE XI Science - Physics

find the reletive error in Z, if Z= A2 b1/3/CD3/2    

Asked by mathureshingle | 6th Oct, 2019, 09:23: PM

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CBSE XI Science - Mathematics

write the quadratic equation, the arithmetic mean, Geometric mean of whose roots are A and G respectively

Asked by amanamit818 | 6th Oct, 2019, 11:03: AM

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CBSE XI Science - Physics

please solve this  

Asked by suchananag2002 | 4th Oct, 2019, 01:29: PM

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CBSE XI Science - Chemistry

3.2 g of Sulphur DIoxide present in the flask. Calculate the moles  of Sulphur DIoxide present in the flask  

Asked by manpreet | 4th Oct, 2019, 01:22: PM

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CBSE XI Science - Biology

WHAT WILL BE THE VALUE OF WATER POTENTIAL FOR A FLACID CELL IF ITS OSMOTIC PRESSURE IS 25 BARS?

Asked by parthasarathitirupati | 3rd Oct, 2019, 10:35: PM

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CBSE XI Science - Chemistry

Please answer this question.

Asked by Balbir | 1st Oct, 2019, 11:46: PM

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CBSE XI Science - Mathematics

Q-6 in the image

Asked by syedaliasad649 | 1st Oct, 2019, 07:07: PM

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CBSE XI Science - Physics

SIR PLEASE ANSWER MY LITTLE DOUBT. IF TWO IRON OBJECTS OF THE SAME MASS, ONE BEING A SPHERE AND THE OTHER BEING A CUBOID, ARE DROPPED FROM THE SAME HEIGHT, WHICH OBJECT WILL REACH THE GROUNG FASTER? DOES SURFACE AREA OF THESE OBJECTS PLAY ANY ROLE HERE? PLEASE PROVIDE A CLEAR AND DETAILED EXPLANATION FOR ME TO UNDERSTAND.

Asked by kandappan | 30th Sep, 2019, 11:09: AM

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