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Physics >> Electricity >> Capacitors IIT JEE
Pathfinder question 
Asked By: ANKIT SHARMA
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Physics >> Electricity >> Current Electricity IIT JEE
Asked By: RISHI
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Joshi sir comment
Physics >> Mechanics Part 2 >> Fluid in motion IIT JEE
Sir tell how to write time period eq for this question
Asked By: ANVESH
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Physics >> Mechanics part 1 >> Centre of mass and momentum conservation IIT JEE

In a gravity free space a small ball is placed at the centre of a box of the same mass. The ball and the box both are moving with velocity u towards a fixed wall. Assume all collisions are perfectly elastic. 

A) How many collisions are possible?

B) find velocities of the box and the ball and the position of the ball relative to the box after all possible collisions. 

Asked By: DIPYAMAN
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Physics >> Mechanics part 1 >> Newton's laws of motion and friction IIT JEE

pls solve question 8

Asked By: DSW
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Physics >> Mechanics part 1 >> Centre of mass and momentum conservation IIT JEE
Asked By: AMARNENI SIVA TEJA
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Physics >> Magnetism >> Moving charge magnetism and force in magnetic field IIT JEE
sir pls upload a video with detailed explanation as soon as possible
Asked By: HARDIK
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Physics >> Electricity >> Electric Field and Potential IIT JEE

. Dear Sir kindly help solve this question

1
Asked By: RK GUPTA
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Physics >> Modern Physics >> Atomic Physics IIT JEE

A point source of light is placed at the centre of curvature  

of a hemispherical surface. The radius of curvature is r  

and the inner surface is completely reflecting. Find the  

force on the hemisphere due to the light falling on it if  

the source emits a power W.

Asked By: ANKIT SHARMA
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Physics >> Electricity >> Electric Field and Potential IIT JEE
Sir this is figure given in question. Question: Electric field lines of portion of an electric field that is symmetrical with respect to rotation about y-axis are show in the figure. A charge particle stays in equilibrium at point (0,10). If modulus of charge of the particle is changed gradually till it shifts to another equilibrium position (0,0),estimate fractional change in the charge modulus.                                                      Options : A) 1/3 B)2/3 C)1/9 D)8/9
Asked By: MUDIT
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