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Find the minimum energy that a gamma-ray...

Find the minimum energy that a `gamma`-ray must have to give rise to an electron -positron pair.
`{:("Mass of electron",= 0.00055 am u,),("Mass of positron",= 0.00055 am u,):}`

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The correct Answer is:
1.024 MeV
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NN GHOSH-NUCLEAR FISSION AND FUSION-EXERCISES
  1. Calculate the binding energy of the lithium atom (.(3)^(7)Li) from the...

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  2. Find the minimum energy that a gamma-ray must have to give rise to an ...

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  3. Calculate the energy released by fission of 1 g of .(92)^(235)U, assum...

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  4. A reaction develop nuclear energy at the rate of 3 xx 10^(4) kW. How m...

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  5. Calculate the amount of energy set free by the annigilation of an elec...

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  6. Complete the following nuclear reactions: (i) .(7^(14)N + .(2)^(4)He...

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  7. Calculate the energy released in kilowatt-hours when 100g of .(3)^(7)L...

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  8. calculate the energy released in the nuclear fusion of isotopes of hyd...

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  9. Using conservation laws show that an electron cannot absorb a photon c...

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  10. Making use of the tables of atomic masses, determine the energies of t...

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  11. Taking the values of atomic masses from the tables, find the maximum k...

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  12. A stationary .(82)^(200)Pb nucleus emits an alpha-particle with kineti...

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  13. Making use of the tables of atomic masses, find: (a) the mean binding...

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  14. A nucleus X, initially at rest , undergoes alpha dacay according to th...

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  15. A uranium nucleus .^(235)U liberates 200 MeV per fission 1.5 kg of ura...

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  16. Can a silicon nucleus (.(14)^(31)Si) transfrom into a phosphorus nucle...

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  17. Stationery nucleus .^(238)U decays by a emission generaring a total ki...

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  18. Find the maximum energy that a beta particle can have in the following...

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