Home
Class 12
PHYSICS
Energy generation in starts is mainly du...

Energy generation in starts is mainly due to

A

Chemical reactions

B

Fission of heavy nuclei

C

Fusion of light nuclei

D

Fusion of heavy nuclei

Text Solution

Verified by Experts

The correct Answer is:
C
Energy of stars is due to fusion of light hydrogen nuclei into He.
Promotional Banner

Topper's Solved these Questions

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Radioactivity)|78 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Past Years Questions|67 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS|Exercise Assertion and Reason|23 Videos

  • ALTERNATING CURRENT

    ERRORLESS|Exercise Assertion & Reason|13 Videos

  • CURRENT ELECTRICITY

    ERRORLESS|Exercise ASSERTION AND REASON|26 Videos

Similar Questions

Explore conceptually related problems

Guttation is mainly due to

Blood clot is mainly due to

Uneven distribution of insolation on the earth is mainly due to the

ERRORLESS-ATOMIC AND NUCLEAR PHYSICS-NCERT BASED QUESTIONS (Nucleus, Nuclear Reaction)
  1. In the nuclear reaction : X (n, alpha)3 Li^7 the term X will be 3

    Text Solution

    |

  2. In a nuclear reactor, moderators slow down the neutrons which come out...

    Text Solution

    |

  3. Energy generation in starts is mainly due to

    Text Solution

    |

  4. Which one of the following unclear reactions is a source of energy in ...

    Text Solution

    |

  5. Hydrogen bomb is based on which of the following phenomena ?

    Text Solution

    |

  6. If in a nuclear fusion process the masses of the fusing nuclei be m(1)...

    Text Solution

    |

  7. If 200 MeV energy is released in the fission of a single U^235 nucleus...

    Text Solution

    |

  8. Nuclear fission experiments show that the neutrons split the uranium n...

    Text Solution

    |

  9. Nuclear fusion is common to the pair

    Text Solution

    |

  10. The mass number of a nucleus is

    Text Solution

    |

  11. Heavy stable nuclei have more neutrons than protons. This is because o...

    Text Solution

    |

  12. Two nucleons are at a separation of 1 xx 10^-15 m. The net force betwe...

    Text Solution

    |

  13. Assertion: The whole mass of the atom is concentrated in the nucleus. ...

    Text Solution

    |

  14. O(2)molecules consists of two oxygen atoms. In the molecules , nuclear...

    Text Solution

    |

  15. Given below are three schematic graphs of potential energy V(r) versus...

    Text Solution

    |

  16. The mass number of He is 4 and that for suphur is 32. The radius of su...

    Text Solution

    |

  17. The radius of a nucleus of a mass number A is directly proportional to...

    Text Solution

    |

  18. If the nuclear radius of .^27 A1 is 3.6 Fermi, the approximate nuclear...

    Text Solution

    |

  19. The charge density in a nucleus varies with distance from the centre o...

    Text Solution

    |

  20. Order of magnitude of density of uranium nucleus is , [m = 1.67 xx 10^...

    Text Solution

    |