Home
Class 12
PHYSICS
Assertion: Energy is released when heavy...

Assertion: Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion.
Reason: For heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei it decreases with increasing Z.

A

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

B

Statement I is true , Statement II is false.

C

Statement I is false , Statement II is true.

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MODERN PHYSICS - 2

    MOTION|Exercise EXERCISE - 4 (Level -II) PREVIOUS YEAR - JEE ADVANCED|28 Videos

  • MODERN PHYSICS - 2

    MOTION|Exercise EXERCISE - 3 (Level -II) SUBJECTIVE - JEE ADVANCED (SECTION D)|2 Videos

  • MODERN PHYSICS

    MOTION|Exercise PHYSICS|73 Videos

  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4 ( LEVEL- II)|39 Videos

Similar Questions

Explore conceptually related problems

This question contains Statement - 1 and Statement -2 Of the four choice given after the Statements , choose the one that best decribes the two Statements Statement- 1: Energy is reased when heavy underge fission or light nuclei undergo fasion and Statement- 2: for nuclei , binding energy nucleon increases with increasing Z while for light nuclei it decreases with increasing Z

For atomic nuclei, the binding energy per nucleon

As the mass number increase binding energy per nucleon :

When the number of nucleons in a nuclues increases the binding energy per nucleon

As the mass number A increases, the binding energy per nucleon in a nucleus.

Choose the correct from the following. A) Large mass number nuclei undergo fission B) Low mass number nuclei undergo fusion C) For heavy nuclei the decrease in binding energy per nucleon shows the contribution of the increasing coulomb repulsion.

Maximum value of binding energy per nucleon for most stable nuclei is

If two light nuclei are fused together in nuclear reaction, the average energy per nucleon

MOTION-MODERN PHYSICS - 2-EXERCISE - 4 (Level -I) PREVIOUS YEAR - JEE MAIN
  1. The energy spectrum of beta - particle [number N€ as a function of bet...

    Text Solution

    |

  2. If the binding energy per nucleon in .(3)^(7)Li and .(2)^(4)He nuclei ...

    Text Solution

    |

  3. An alpha nucleus of energy (1)/(2)m nu^(2) bombards a heavy nucleus o...

    Text Solution

    |

  4. Which of the following transitions in a hydrogen atom emits photon of ...

    Text Solution

    |

  5. In gamma ray emission from a nucleus

    Text Solution

    |

  6. If M(O) is the mass of an oxygen isotope .(8)O^(17),M(p) and M(n) are ...

    Text Solution

    |

  7. The half-life period of a radio-active element X is same as the mean l...

    Text Solution

    |

  8. Assertion: Energy is released when heavy nuclei undergo fission or lig...

    Text Solution

    |

  9. The alongside is a plot of binding energy per nucleon E(b) ,against th...

    Text Solution

    |

  10. A radioactive nucleus (initial mass number A and atomic number Z) emit...

    Text Solution

    |

  11. A nucleus of mass M + Deltam is at rest and decays into two daughter n...

    Text Solution

    |

  12. A nucleus of mass M + Deltam is at rest and decays into two daughter n...

    Text Solution

    |

  13. The half-life of a radioactive substance is 20 min. The approximate ti...

    Text Solution

    |

  14. Statement-1:A nucleus having energy E(1) decays by beta^(-) emission t...

    Text Solution

    |

  15. Assume that a neutron breaks into a proton and an electron. The energy...

    Text Solution

    |

  16. If a simple pendulum has significant amplitude (up to a factor of1//e ...

    Text Solution

    |

  17. Half-lives of two radioactive elements A and B are 20 minutes and 40 m...

    Text Solution

    |

  18. A radioactive nucleus A with a half life T, decays into a nucleus B. A...

    Text Solution

    |

  19. Some energy levels of a molecule are shown in the figure. The ratio of...

    Text Solution

    |

  20. It is found that if a neutron suffers an elastic collinear collision w...

    Text Solution

    |