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The peneting power of alpha,beta and gam...

The peneting power of `alpha,beta and gamma` rediations ,in decreasing order ,are

A

`gamma, alpha, beta`

B

`gamma,beta, alpha`

C

`alpha, beta,gamma`

D

`beta, gamma,alpha`

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The correct Answer is:
B
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MTG GUIDE-ATOMS AND NUCLEI-NEET CAFÉ (TOPICWISE PRACTICE QUESTIONS)(RADIOACTIVITY)
  1. In gamma ray emission from a nucleus

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  2. A nucleus with Z =92 emits the following in a sequence: alpha,beta^(...

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  3. The peneting power of alpha,beta and gamma rediations ,in decreasing o...

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

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  5. A radioactive sample S(1) having an acitivity of 5 mu Ci has twice the...

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  6. In a sample of radioactive material , what fraction of the initial num...

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

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  8. During negative B decay, an anti- neutrino is also emmited along with ...

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  9. A radiaocatice isotope is being produced at a constant rate X. Half-li...

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  10. Plutonium decays with half life of 24000 years. If plutonium is stored...

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  11. A fraction f(1) of a radioactive sample decays in one mean lie and a f...

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  12. An element A decays into element C by a two-step process : A rarr B ...

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

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  14. A radioactive nuclide can decay simultaneously by two different proces...

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  15. The intensity of gamma radiation from a given source is I On passing...

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  16. Number of nuclei of a radioactive substance are 1000 and 900 at times ...

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  17. A radioactive isotope has h half-life of 2 yr. how long will itt take ...

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  18. A radioactive sample at any instant has its disintegration rate 5000 d...

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  19. Two samples X and Y contain equal amounts of radioactive substances. I...

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  20. Radioactive .27^60Co is transformed into stable .28^60Ni by emitting t...

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