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Observe the following statements regardi...

Observe the following statements regarding isotones i) `.^(59)K_(19)` and `.^(40)Ca_(20)` are isotones
ii) Nuclides having different atomic numbers `(z)` and mass number `(A)` but same number of neutrons `(n)` are called Isotones iii) `.^(19)F_(9)` and `.^(23)Na_(11)` are isotones The correct answer is

A

I,ii and iii are correct

B

only I and ii are correct

C

only I and iii are correct

D

only ii and iii are correct

Text Solution

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The correct Answer is:
B
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NARAYNA-NUCLEI -C.U.Q
  1. The nuclear size is measured in units of

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  2. Nuclides which have the same mass number are called

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  3. Observe the following statements regarding isotones i) .^(59)K(19) and...

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  4. A and B are isotopes. B and C are isobars. All three are radioactive. ...

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  5. M, M(n) & M(p) denotes the masses of a nucleous of .(Z)X^(A) a neutron...

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  6. The difference between the mass of a nucleus and the combined mass of ...

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  7. The mass number of a nucleus is

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  8. If M is atomic weight, A is mass number then (M-A)//A represents

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  9. The difference between mass of the nucleus and total mass of its const...

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  10. The parameter used to measure the stability of the nucleus is

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

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  12. Maximum value of binding energy per nucleon for most stable nuclei is

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  13. The binding energy per nucleon is maximum at A=56 and its value is aro...

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  14. Average binding energy per nucleon over a wide range is

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  15. The wrong statement about the binding energy is

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  16. The binding energies of a deutron and an alpha-particle are 1.125,7.2 ...

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  17. Mass defect of an atom refers to

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  18. The stability of a nucleus can be measured by

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  19. In a nuclear reaction some mass converts into energy. In this reaction...

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  20. The age of pottery is determind by archeologists using a radiosotope o...

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