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For IIT JEE 2016 Refer How to prepare for JEE Main and IIT JEE Advanced 2016?

I want to discuss and share some questions based on IIT Preparation. Anyone can join it and ask questions here.

JEE Main 2015 Application Form Correction Queries [Mistakes in application form and how to correct]

A small particle is kept on the top of a hemispherical smooth bowl of radius 15 cm. It is given a small push in order to slide over the spherical surface with the circular area kept on horizontal surface at what height from the base will the particle leave the spherical surface? Please give me solution of this.


How negative marking will work in jee main 2015…


Each question is allotted 4 (four) marks for the correct response. ¼ (one fourth) marks i.e. one mark will be deducted for indicating incorrect response of each question. No deduction from the total score will be made if no response is indicated for a question.

There is only one correct response for each question out of four responses given.