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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
The energy spectrum of `beta`-particles emitted from a radioactive source is
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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?

ALLEN-SIMPLE HARMONIC MOTION-Exercise-04 [B]
  1. An alpha nucleus of energy (1)/(2)m nu^(2) bombards a heavy nucleus o...

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  2. When (3)Li^(7) nuclei are bombarded by protons , and the resultant 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)Li^(7) and .(2)He^(4) nuclei ...

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

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  6. In gamma ray emission from a nucleus

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  7. The half - line period a radioactive element X is same as the mean lif...

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  8. This question contains Statement - 1 and Statement -2 Of the four choi...

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

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

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  11. A nuclear of mass M +deltam is at rest and decay into two daughter nu...

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

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  13. The half life of a radioactive substance is 20 minutes . The approxima...

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  14. After absorbing a slowly moving neutrons of mass m(N) (momentum ~0) a...

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

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  16. Assume that a neutron breaks into a proton and an electron . The energ...

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  17. As an electron makes a transition from an excited state to the ground ...

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  18. Match List-I (Fundament Experiment) with List-II (its conclusion) and ...

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  19. If one were to apply Bohr model to a particle of mass 'm' and charge '...

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  20. de-Brogile wavelength of an electron accelerated by a voltage of 50 V ...

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