In the expression E = hv, E is energy of photon and v is frequency. h is Planck’s constant whose value is 

In the expression E = hv, E is energy of photon and v is frequency. h is Planck's constant whose value is 

  1. A

    6.626 ×10-34Js

  2. B

    6.626 ×10-10Js mol-1

  3. C

    3.99 ×10-10Js mol-1

  4. D

    (a) and (c) both

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    Solution:

    h=6.626×10-34Js    =6.626×10-34 ×6.023×1023=3.99×10-10Jsmol-1

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