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The energy spectrum of beta - particle [...

The energy spectrum of `beta` - particle [number `N€` as a function of `beta` - energy E] emitted from a radioactive source is

A

B

C

D

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The correct Answer is:
C
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In the disintegration of a radioactive element, alpha - and beta -particles are evolved from the nucleus. ._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0) + Antineutrino + Energy 4 ._(1)H^(1) rarr ._(2)He^(4) + 2 ._(+1)e^(0) + Energy Then, emission of these particles changes the nuclear configuration and results into a daughter nuclide. Emission of an alpha -particles results into a daughter element having atomic number lowered by 2 and mass number by 4, on the other hand, emission of a beta -particle yields an element having atomic number raised by 1. How many alpha - and beta -particle should be emitted from a radioactive nuclide so that an isobar is formed?

MOTION-MODERN PHYSICS - 2-EXERCISE - 4 (Level -I) PREVIOUS YEAR - JEE MAIN
  1. Starting with a sample of pure .^(66)Cu, 7//8 of it decays into Zn in ...

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  2. When .(3)^(7)Li nuclei are bombarded by protons, and the reusltant nuc...

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  3. The energy spectrum of beta - particle [number N€ as a function of bet...

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  4. If the binding energy per nucleon in .(3)^(7)Li and .(2)^(4)He nuclei ...

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  5. An alpha nucleus of energy (1)/(2)m nu^(2) bombards a heavy nucleus o...

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  6. Which of the following transitions in a hydrogen atom emits photon of ...

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  7. In gamma ray emission from a nucleus

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  8. If M(O) is the mass of an oxygen isotope .(8)O^(17),M(p) and M(n) are ...

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  9. The half-life period of a radio-active element X is same as the mean l...

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  10. Assertion: Energy is released when heavy nuclei undergo fission or lig...

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  11. The alongside is a plot of binding energy per nucleon E(b) ,against th...

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  12. A radioactive nucleus (initial mass number A and atomic number Z) emit...

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  13. A nucleus of mass M + Deltam is at rest and decays into two daughter n...

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  14. A nucleus of mass M + Deltam is at rest and decays into two daughter n...

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  15. The half-life of a radioactive substance is 20 min. The approximate ti...

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  16. Statement-1:A nucleus having energy E(1) decays by beta^(-) emission t...

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  17. Assume that a neutron breaks into a proton and an electron. The energy...

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  18. If a simple pendulum has significant amplitude (up to a factor of1//e ...

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  19. Half-lives of two radioactive elements A and B are 20 minutes and 40 m...

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  20. A radioactive nucleus A with a half life T, decays into a nucleus B. A...

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