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The radiation from naturally occuring ra...

The radiation from naturally occuring radioactive substance as seen after deflection by a magnetic field in one direction are :

A

definitely `alpha`-ryas

B

definitely `beta`-rays

C

both `alpha` and `beta`rays

D

either `alpha` or `beta`-rays

Text Solution

Verified by Experts

The correct Answer is:
d
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OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -OBJ - A
  1. The velocity of alpha-rays is approximately:

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  2. alpha-rays have ionization power because they possess a. Lesser kine...

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  3. The radiation from naturally occuring radioactive substance as seen af...

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  4. Which of the following statements about radioactivity is are true? a)I...

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  5. The radioactivity of uranium mineras is usually more in comparison to ...

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  6. The correct order of ionising capcity of alpha, beta and gamma-rays is

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  7. which of the following radiations have least effect on both the photog...

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

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

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  10. A device used for the measurement of radioactivity is

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

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

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

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  14. The particles not emitted by radioactive susbstace are:

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

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

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

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  18. .(84)^(210)Po rarr (82)^(206) Pb + .(2)^(4)He in this reaciton predict...

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

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  20. The radius of nucleus is:

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