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One curie of activity is equivalent to...

One curie of activity is equivalent to

A

`3.7 xx 10^(17)` disintegrations per second

B

`3.7xx10^(10)` disintegrations per second

C

`3.7 xx 10^(14)` disintegration per second

D

`3.7xx10^(3)` disintegration per second

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The correct Answer is:
B
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CENGAGE CHEMISTRY ENGLISH-NUCLEAR CHEMISTRY-Ex6.3 Objective
  1. Radiactive decay is a reaction of

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  2. Quantity of radiactive material which undergoes 10^(6) disintegrations...

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  3. One curie of activity is equivalent to

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  4. The unit for radioactive constant is

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  5. The relation between half-life period (t(1//2)) and disintegration con...

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  6. If 2g of an isotope has a half- life of 7 days, the half life of 1g s...

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  7. Half-life of a radioactive disintegration (A rarr B) having rate const...

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  8. Half life for radioactive C is 5760 yr. In ho many years 200 mg of ^14...

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  9. If 3//4 quantity of a radioactive substance disintegrates in 2 hours, ...

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  10. The initial mass of a radioactive element is 40g. How many grams of it...

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  11. A radioisotope has a half life of 10 days. If totally there is 125 g ...

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  12. The half- life periods of four isotopes are give below : (i) 7.6 yea...

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  13. Radium has atomic weight 226 and half life of 1600 years. The number o...

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  14. The decay constant of Ra^(226) is 1.37xx10^(-11)s^(-1). A sample of Ra...

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  15. The number of alpha particles emitted per second by 1g of 88^226 Ra...

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  16. Radioactivity of a radioactive element remains 1//10 of the original r...

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  17. At radioactive equilibrium, the ratio between two atoms of radioactive...

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  18. The decay constant for an alpha- decay of Th^(232) is 1.58xx10^(-10)s^...

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  19. What percentage of decay takes place in the average life of a substan...

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  20. The half-life of radium is 1600 yr. The fraction of a sample of radium...

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