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Mass of a proton or a neutron is approxi...

Mass of a proton or a neutron is approximately 939 MeV, but unified atomic mass unit is approximately 931 MeV. What is the reason of this difference ?

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CHHAYA PUBLICATION-ATOMIC NUCLEUS-EXERCISE
  1. From the nucleus of a Polonium atom .84Po^218, an alpha-particle and t...

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  2. In a radioactive disintegration a nucleus emits an alpha-particle firs...

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  3. Mass of a proton or a neutron is approximately 939 MeV, but unified at...

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  4. Half-life of radium is 1622 years'- what do you mean by this statement...

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  5. Positively charged protons and neutral neutrons are packed inside the ...

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  6. Complete the nuclear reaction and explain the result thus obtained : ....

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  7. Explain why nuclear fission should precede nuclear fusion ?

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  8. Nuclear force is charge independent -what do you mean by this statemen...

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  9. Atomic nuclei do not contain any electrons, yet electrons come out of ...

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  10. Nuclear fission, as a source of energy, can be used for the benefit of...

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  11. I unified atomic mass unit is equivalent to 931.2 MeV of energy. What ...

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  12. What is the basic difference in the use of 'radio-carbon clock' and 'u...

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  13. Complete the following equations : .88Ra^226 to .86Rn^222 +

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  14. Complete the following nuclear equations : .4Be^9 + .2He^4 to + .0...

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  15. Complete the following nuclear equations : .7N^14 + .0N^1 to + .1H...

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  16. Complete the following nuclear equations : .6C^14 to + .(-1)beta^...

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  17. Complete the following nuclear equations : .13Al^27 + to .14Si^28 ...

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  18. Complete the following nuclear equations : .92U^235 + .0n^1 to .56B...

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  19. A radioactive nucleus X decays as follows : A overset(beta^+)to A1 ove...

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  20. The mass of a proton is 1.00816 u and that of a neutron is 1.00902 u. ...

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