Tuesday, November 19, 2013

Guess Questions in ICSE 2014 Physics

Students are invited to post (through comment) guess questions in Physics in ICSE 2014. It will be better if they can post the answer also. Visitors can also answer the questions through comment. This will help the students who will appear in ICSE examination 2014.
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3 comments:

  1. Subham TiwariNovember 20, 2013 at 11:23 AM

    I have a question.
    Work done by magnetic force is zero.But then how magnetic cranes work?????????

    ReplyDelete
  2. Dhananjoy ChakrabortyNovember 28, 2013 at 5:45 AM

    If anybody told you this he is WRONG.. Work done by magnetic force is not zero. Its simply F S Cos x

    If force applied F causes displacement of the subject body by S meter and the angle between the line of action of force and the displacement.

    So, we can simply see that magnetic force can cause displacement in a body and thus can do work.
    So basic conclusion was my first statement.

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