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What is half life period....

What is half life period.

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NCERT BANGLISH-NUCLEAR CHEMISTRY-SELF EVALUATION
  1. Which of the following is used as neutron absorber in the nuclear reac...

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  2. Define radio activity.

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  3. What is half life period.

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  4. Write two difference between chemical reaction and nuclear reaction.

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  5. What is Q value of a nuclear reaction?

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  6. What are the types of nuclear reaction. Give example for each type.

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  7. Explain the principle behind the Hydrogen bomb.

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  8. State two uses of radio carbon dating.

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  9. What is binding energy of Nucleus?

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  10. What is radioactivity? How was the phenomenon discovered?

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  11. What is nuclear fission? What are controlled and uncontrolled fission ...

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  12. What is nuclear fusion? How do nuclear fusion reactions differ from fi...

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  13. Explain the use of radioactive isotopes with specified examples.

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  14. How many alpha and beta particles will be emitted by an element 84^(A^...

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  15. Calculate the decay constant for Ag^(108) if its half life is 2.31 min...

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  16. The half life of Th^(233) is 1.4 xx 10^(10) years. Calculate its di...

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  17. Complete the following nuclear reactions (i) 18^(Ar^(40)) + ? ra...

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  18. 92^(U^(238)) undergoes a series of changes by emitting alpha and beta ...

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  19. The atomic mass of Th is 232 and its atomic number is 90. In terms of ...

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  20. Calculate the average life of 79A^(Au^(198)) leaving t^(1//2) = 150 da...

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