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A photon of 1.7 \times 10^{-13} joule is absorbed by a material under special circumstances. The correct statement is
 

Option: 1

Electrons of the atom of absorbed material will go the higher energy states
 


Option: 2

Electron and positron pair will be created
 


Option: 3

 Only positron will be produced
 


Option: 4

 Photoelectric effect will occur and electron will be produced


Answers (1)

best_answer

For electron and positron pair production, minimum energy is 1.02 \mathrm{Me\nu}. 

Energy of photon is given 1.7 \times 10^{-3} \mathrm{~J}=\frac{1.7 \times 10^{-13}}{1.6 \times 10^{-19}}=1.06 \mathrm{Me\nu}

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rishi.raj

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