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ICSE Class 11 Science Free Doubts and Solutions

ICSE - XI Science - Mathematics

The sum of the first 15 terms of an arithmetic progression is 105 and the sum of the next 15 terms is 780. Find the first three terms of the arithmetical progression. 

Asked by binduchaurasia25 9th December 2019, 6:54 PM
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ICSE - XI Science - Mathematics

If y=x+1÷x prove x×xdx÷dy_xy+2=0

Asked by tanyajas838 2nd December 2019, 12:08 PM
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ICSE - XI Science - Mathematics

Prove that the perpendiculars drawn from any point of the line 2x+11y=5 the lines 24 x + 7 y = 20 and 4x- 3y = 2 are equal in length. 

Asked by nupurm656 7th October 2019, 5:53 PM
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ICSE - XI Science - Physics

Show that path of charged particle in electric field is parabolic while in magnetic field is circular  

Asked by Sachinsingh76600 5th September 2019, 8:14 AM
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ICSE - XI Science - Physics

A car is moving with speed of 30m/s on a circular track of radius 500m its sped is incresing at a rate of 2.0m/s determine the magnitude of its acceleration

Asked by Adarshtomar412 3rd September 2019, 12:24 PM
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ICSE - XI Science - Physics

Draw a free body diagram of a ladder inclined to a wall.Obtain the condition for the ladder to be in equilibrium. How can you show that Newton's third law of motion follows from the second law?  

Asked by vijaygireesh 31st August 2019, 8:01 PM
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ICSE - XI Science - Physics

A dynamometer is attached to two blocks of masses 6 kg and 4 kg . Forces of 20N and 10N are applied on the blocks. Find the dynamometer reading in the steady state .

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Asked by siddharthjaiswal1122 30th August 2019, 10:17 PM
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ICSE - XI Science - Mathematics

Prove that a) 1+( cos 2A+cos 6A)/cos4A= sin3A/sin A

Asked by vijaygireesh 29th August 2019, 9:53 PM
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ICSE - XI Science - Mathematics

In a cricket match how many choices can be made for man of the match

Asked by pustyvikash349 26th August 2019, 11:00 PM
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ICSE - XI Science - Physics

Body slides down from rest from the top of a 6.4 m long rough inclined plane at 30° with horizontal find the time taken by the block in reaching the bottom given coefficient of kind attic fiction ass .2 and acceleration due to gravity is 9.8

Asked by deepamajulal 24th August 2019, 5:21 PM
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