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Which of the following statements are co...

Which of the following statements are correct
(i) Positron is predicted by Dirac and discovered by Anderson
(ii) Liquid drop model of nucleus by Bohr and Wheeler is developed
(iii) Carbon cycle was proposed by Bethe
(iv) Fission reaction is first observed Otto Hahn and Strass man

A

All are true

B

Only i, ii & iv are true

C

Only i, iii & iv are true

D

Only iii & iv are true

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-NUCLEI-Exercise-I
  1. If a radioactive nucleus decay according to the following reaction ....

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  2. Which of the following particles is most unstable?

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  3. Which of the following are their own antiparticle?

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  4. The products of the fission of U^235 by thermal neutron are

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  5. As the age of star increases

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  6. A particle having no charge and almost no rest mass

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  7. In the nuclear reaction .6C^11 to B5^11 + beta^(+) + X what does X s...

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  8. Two identical nuclei A and B of the same radioactive element undergo b...

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  9. During (beta^-) decay (beta minus), the emission of antinenutrino par...

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  10. A nuclide A undergoes alpha - decay and another nuclide B undergoes be...

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  11. In the fission of U^235 (i) Slow neutron is absorbed by U^235 (ii)...

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  12. Which of the following statements are correct (i) Positron is predic...

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  13. Consider the following two statements A and B and identify the correct...

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  14. Consider the following statements. A, B and identify the correct choic...

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  15. Consider the following statements (A) and (B) and identify the correct...

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  16. Assertion: Free Neutron decays into proton, electron and antineutrino ...

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  17. Assertion : Nuclear forces arise from strong coulombic interactions be...

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  18. Assertion: Energy is released when heavy nuclei E undergo fission or l...

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  19. Assertion: Electron capture occurs more often than positron emission i...

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  20. Match list-I with list-II

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