Answers

2014-10-23T14:07:41+05:30
For the discovery of law of photo electric effect in physics
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2014-10-23T14:42:59+05:30
 

  Nobel prize is awarded to him in the year 1922 for his great work in physics


PHOTO ELECTRIC EFFECT his discovery is law of this(photoelectric effect.
actually it is the award of the year 1921 ,but he recieved in the year 1922
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