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Following process is known as hv rarr e^...

Following process is known as `hv rarr e^(+) +e^(-)`

A

Pair production

B

Photoelectric effect

C

Compton effect

D

Zeeman effect

Text Solution

Verified by Experts

The correct Answer is:
A
When an energetic `lamda`-ray photon falls on a heavy substance, it absorbed by same nucleus of the substance and an electron and positron are emitted. This phenomenon is called paid prosuction.
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DC PANDEY ENGLISH-NUCLEI-CHAPTER EXERCISES
  1. Following process is known as hv rarr e^(+) +e^(-)

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  2. The operation of a nuclear reactor is said to be critical, if the mult...

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  3. Which of the following is not used for the treatment of cancer

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  4. Identify the correct statement given below.

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  5. When a nucleus in an atom undergoes a radioactive decay the electronic...

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  6. Heavy stable nuclei have more neutrons than protons. This is because o...

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  7. In one average-life,

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  8. Which of the following is a wrong description of binding energy of a n...

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  9. As compared to ^12C atom, ^14C atoms has

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  10. When the number of nucleons in a nuclues increases the binding energy ...

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  11. The binding energy per nucleon is maximum in the case of.

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  12. Which of the following process will result into fission reaction ?

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  13. What fissionable material was used in the bomb dropped at Nagasaki (Ja...

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  14. The principle of controlled chain reaction is used in.

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  15. In an atom bomb, the energy is released because of the.

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  16. Boron rods are used in nuclear reactors because

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  17. A nuclear reaction along with the masses of the particle taking part i...

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  18. The curve of blinding energy per nucleon as a function of atomic mass ...

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  19. In the given nuclear reaction A, B, C, D, E represents .92 U^238 rarr^...

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  20. An atom of mass number 15 and atomic number 7 captures an alpha-partic...

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