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Consider alpha-, beta- particles and gam...

Consider `alpha-, beta`- particles and `gamma-` rays, each having an energy fo `0.5Mev` in increasing order f penertation power, the radiations are:

A

`alpha, beta, gamma`

B

`alpha, gamma, beta`

C

`beta, gamma, alpha`

D

`gamma,beta,alpha`

Text Solution

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The correct Answer is:
`(a)`
`gamma` has more pentrating power
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P BAHADUR-RADIO ACTIVITY-Exercies 3A
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  2. The half-life period of a radioactive element x is same as the mean li...

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  3. Consider alpha-, beta- particles and gamma- rays, each having an energ...

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  4. During a negative beta decay:

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  5. The half-life period of radon is 3.8 days. After how many will only on...

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  6. The equation: 4.(1)^(1) H^(+) rarr .(2)^(4) He^(2+) + 2e + 26MeV repre...

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  7. Mases of two isobars .(29)^(64) Cu and .(930)^(64)Zn are 63.9298 amu a...

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  8. The deacy time t for radioactive element proceeds to 4 half-lives. Th...

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  9. The half-life of 4.0mg beta- emitter of .^(210)X is 5 day and the aver...

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  10. In sun and other stars, where temperature is about 10^(7) K fusion, ta...

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  11. In botter star where the temperature is about 10^(8)K, fusion takes pl...

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  12. Which radioactive series do not show emanation?

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  13. Two elements P and Q have half-line of 10 and 15 minutes repectively. ...

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  14. If m g of a radioactive species (molar mass M) has decay constant lamb...

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  15. A radioactive nulei has half-life of 1.0 minute. If one of the nuclie ...

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  16. A graph plotted between log N vs, time gives a slope and intercept equ...

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  17. A radioactive species undergoes decay for time t where t = 4t(1//2) . ...

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  18. The half of a radioactive sample is 2n year. The fraction left undecye...

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  19. The density of a nucleus varies with the mass number A as:

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  20. .(1)^(3)H and .(2)^(4)He are:

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