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Isotopes are atoms having....

Isotopes are atoms having.

A

Same number of protons but different number of neutrons

B

Same number of neutrons but different number of protons.

C

Same number of protons and neutrons

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
(a) For isotopes `Z` is same and `A` is different. Therefore the number of neutrons `A - Z` will also be different.
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A2Z-NUCLEAR PHYSICS-Section D - Chapter End Test
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  6. The binding energy per nucleon of deuterium and helium atom is 1.1 MeV...

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  7. If radius of the (13)^(27) Al necleus is estimated to be 3.6 fermi the...

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  8. Starting with a sample of pure .^66 Cu, 7//8 of it decays into Zn in 1...

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  9. Some radioactive nucleus may emit.

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  10. Which of the following is a correct statement?

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  11. .^22 Ne nucleus after absorbing energy decays into two alpha-particles...

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  12. The half - life of I ^ (131) is 8 days. Given a sample of I^(131) at ...

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  13. The binding energy per nucleon of O^16 is 7.97 MeV and that of O^17 is...

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  14. A star initially has 10^40 deuterons. It produces energy via the proce...

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  15. A nucleus with mass number 220 initially at rest emits an alpha-partic...

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  16. The half life of radioactive Radon is 3.8 days . The time at the end o...

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  17. A freshly prepared radioactive source of half-life 2 h emits radiation...

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  18. A radioactive material decays by simulataneous emission of two particl...

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  19. The half-life period of a radioactive element x is same as the mean li...

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  20. Two radioactive X(1) and X(2) have decay constants 10 lambda and lamb...

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