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The following is not and application o...

The following is not and application of radioactive material -

A

to locate cracks in welding or casting

B

to find the thickness of material

C

in cigarette factory

D

in photography

Text Solution

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The correct Answer is:
D
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MOTION-RADIOACTIVITY & NUCLEAR PHYSICS-Exercise -1
  1. The inteisity of gamma radiation from a given source is I(0) . ...

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  2. The graph between remaining radioactive atoms and time for a r...

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  3. The following is not and application of radioactive material -

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  4. In which of the following we don't use a radioactive isotope :

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  5. The reason of origin of gamma- rays is

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  6. A radioactive material of half-life T was kept in a nuclear reactor at...

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  7. Let u denote one atomic unit .one atom of an element of mass number A ...

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  8. The surface area of a nucleus varies with mass number A as

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  9. In the nuclear reaction .92 U^238 rarr .z Th^A + .2He^4, the values of...

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  10. Among gravitational, electrostatic and nuclear forces, the two attract...

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  11. the radius of ""(29)Cu^(64) nucleus in fermi is (given ,r(0) 1.2xx1...

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  12. In most stable nuclei neutron number N and proton number Z has the rel...

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  13. The correct relation between the packing fraction f and mass n...

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  14. Let Fpp, Fpn and Fnn denote the magnitudes of the nuclear force by a p...

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  15. The correct statement about nuclear forces is

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  16. The graph between the binding energy per nucleon (E) and atomic mass n...

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  17. Attractive nuclear forces exist between -

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  18. The radius of the nucleus with nucleon number 2 is 1.5 xx 10^(-15)m, t...

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  19. If there are N nucleons in a nucleus of radius R, then the number of n...

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  20. Which of the following is not the property of atomic nucleus ?

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