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Statement I: Negative charges are never ...

Statement I: Negative charges are never emitted from the nucleus of an atom.
Statement II: Nucleus of an atom is constituted only of protons and neutrons.

(A) Statement I is true, statement II is true, statement II is a correct explanation for statement I.
(B) Statement I is true, statement II is true, statement II is not a correct explanation for statement I.
(C) Statement I is true, statement II is false.
(D) Statement I is false, statement II is true.

A

Statement I is true , statement II is true , statement II is a correct explanation for statement I

B

Statement I is true , statement II is true , statement II is not a correct explanation for statement I

C

Statement I is true , statement II is false

D

Statement I is false, statement II is true .

Text Solution

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The correct Answer is:
D
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CHHAYA PUBLICATION-ATOMIC NUCLEUS-ENTRANCE CORNER
  1. Statement I: Negative charges are never emitted from the nucleus of an...

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  2. Statement 1: Mass of O^16 nucleus is less than the sum of masses of 9 ...

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  3. Statement I: At any specific instant, the activity of radium-226 is le...

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  4. Statement I:Some energy is released when a heavy nucleus disintegrate ...

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  5. Statement I: No natural radioisotope can emit positron. Statement II: ...

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  6. Statement 1: The greater the decay constant of a radioactive element, ...

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  7. A radioactive isotope X^A becomes Y^(A-4) after decay. Which of the fo...

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  8. A radioactive isotope X^A becomes Y^A after disintegration which of th...

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  9. In case of a radioactive element which of the following relations are ...

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  10. When alpha-rays and beta-rays are compared as radioactive radiation, i...

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  11. Ratio of mass number of two nuclei is 1:8, then - (A) ratio of diamet...

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  12. In any nuclear reaction - (A) The total number of protons and neutron...

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  13. The initial number of radioactive atoms in a radioactive sample is N0....

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  14. The initial number of radioactive atoms in a radioactive sample is N0....

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  15. The initial number of radioactive atoms in a radioactive sample is N0....

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  16. The initial number of radioactive atoms in a radioactive sample is N0....

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  17. The initial number of radioactive atoms in a radioactive sample is N0....

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  18. What is the ratio of radius of aluminium-27 nucleus to that of a proto...

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  19. What is the value of k in the following nuclear reaction ? U^235 + n...

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  20. The half-life of iodine-131 is 8d. In how many days its activity will...

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