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Sunday, 21 December 2014

+2 Physics Half yearly exam -2014 Probable answers









2 comments:

  1. Thanks for ur excellent key answer. One doubt in que.no. 17. the answer is6×10 to the power of 18. Plz tell me its correct or not

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  2. The correct answer is 6X10^18.From the formula C = n(lambda), frequency n = c/lambda,
    Substituting the known values, 3X10^8 x 24800/12400*10^-10 we get answer.
    Thanks a lot to Mahesh Sir for his excellent job.

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