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The elements whose atomic number is more...

The elements whose atomic number is more than 83 undergo __________ radioactivity.

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spontanous process
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FULL MARKS-NUCLEAR PHYSICS-Additional Questions (II. Fill in the blanks)
  1. The radioactive elements emit harmful radiations are ……… rays

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  2. …….. is an spontaneous process.

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  3. The elements whose atomic number is more than 83 undergo radioactivit...

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  4. ........... are the example at artificial (or) man-made radioactive el...

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  5. The element whose atomic number is less than 83 undergoes................

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  6. ……. is an controlled manner.

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  7. Spontanous radioactivity is also known as ……

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  8. One Curie is equal to ……. disintegrations per second.

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  9. One Rutherford (Rd) is equal to ....... disintegrations per second.

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  10. The radioactive displacement law is framed by ....................

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  11. During the alpha decay process atomic number is .......... by 2 and ma...

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  12. In beta - decay the atomic number increases by ……….. unit and mass num...

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  13. In alpha radiation charge of each alpha particle is .........

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  14. In gamma radiation, charge of each gamma particle is..........

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  15. In radioactive radiation, which one is travel with the speed of light ...

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  16. ""zY^(A) to ""(z+1)Y^(A)+X, Then , X is .

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  17. ""zY^(A) to ""(z+1)Y^(A)+X, Then , X is .

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  18. The average energy released in each fusion reaction is about J.

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  19. A fissionable material is a radioactive element, which undergoes fissi...

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  20. ………. isotope is used to detect the presence of block in blood vessels ...

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