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A nucleus represented by the symbol .Z^A...

A nucleus represented by the symbol `._Z^AX` has.

A

Z neutrons and (A-Z) protons

B

Z protons and (A-Z) neutrons

C

Z protons and A neutrons

D

A protons and (Z-A) neutrons

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The correct Answer is:
B
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AAKASH INSTITUTE-NUCLEI-ASSIGNMENT (SECTION-C)
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  2. The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u= ato...

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  3. A nucleus represented by the symbol .Z^AX has.

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  4. How many elementary particles are emitted when ""6^(14) C transforms t...

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  5. Q value of a nuclear reactions is positive . The reaction is

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  6. Choose the correct product of nuclear reaction , ""7N^(14) +""0n^1 t...

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  7. When two nuclei (with A=8) join to form a heavier nucleus , the bindin...

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  8. When helium nuclei bombard beryllium nuclei ,then

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  9. The binding energies per nucleon for a deuteron and an alpha-particle ...

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  10. The count rate of a Geiger Muller counter for the radiation of a radio...

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  11. Half-lives of two radioactive substances A and B are respectively 20 m...

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  12. The correct relation between t(av)=average life and t(1//2)= half life...

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  13. Nuclear fission can be explained by

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  14. Half life of a radioactive elemets is 12.5 hour and its quantity is 25...

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  15. Energy is released in nuclear fission. Total binding energy of the f...

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  16. A saample of radioactive elements contains 4xx10^(10) active nuclei. I...

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  17. A sample of radioactive element has a mass of 10 g at an instant t=0. ...

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  18. The half-life of radium is about 1600 yr. Of 100g of radium existing n...

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  19. .(90)Th^(232) to .(82)Pb^(208). The number of alpha and beta-"particle...

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  20. A radioactive substance has 10^8 nuclei. Its half life is 30 s . The n...

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