AP and TS EAMCET Engineering 2020 Model Paper 3

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Question : 111 of 160
 
Marks: +1, -0
The De-broglie wavelength of an electron moving with a velocity of 1.5×108ms−1 is equal to that of photon, the ratio of kinetic energy of elctron to that of photon is (C=3×108ms−1)
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