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In beta- decay n//p ratio : a)May inreas...

In `beta-` decay `n//p` ratio` :` a)May inrease or decrease b) Remains constant c)Decreases d)Increases

A

remains unchanged

B

may increase or decrease

C

increases

D

decreases

Text Solution

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The correct Answer is:
d
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OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -OBJ - A
  1. which of the following radiations have least effect on both the photog...

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  2. In alpha- decay , n//p ratio : a)May inrease or decrease b) Remains co...

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  3. In beta- decay n//p ratio : a)May inrease or decrease b) Remains const...

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  4. A device used for the measurement of radioactivity is

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  5. Which of the following does not contain material particles?

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  6. If by mistake radioactive substance gets into human body, then from th...

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  7. Emission of beta-particle by an atom of an element results in the form...

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  8. The particles not emitted by radioactive susbstace are:

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  9. Successive emission of an alpha-particle and two beta-particles by an ...

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  10. The isotope .(92)^(235)U decays in a number of steps to an isotope of ...

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  11. The number of alpha and beta-particles emitted in the nuclear reaction...

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  12. .(84)^(210)Po rarr (82)^(206) Pb + .(2)^(4)He in this reaciton predict...

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  13. When .(88)^(226)Ra emits an alpha-particle, the new element formed bel...

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  14. The radius of nucleus is:

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  15. The end product of 4n series is a).(82)Pb^(208) b).(82)Pb^(207) c).(82...

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  16. 4n + 2 series is known as:

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  17. A radioactive element A on disintegration gives two elements B and C. ...

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  18. .^(234)U has 92 protons and 234 nucleons total in tis nucleus. It deca...

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  19. Starting from radium, the radioactive disintegration process terminat...

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  20. The only, most stable nucleus formed by bombarding either .(13)^(27)Al...

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