Home
Class 11
PHYSICS
What is the source of energy of stars?...

What is the source of energy of stars?

Text Solution

Verified by Experts

The source of energy of stars is the mass defect between the reactants and the products of the nuclear fusion reaction taking place at 1 million kelvin and above.
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER AND ENERGY

    SUBHASH PUBLICATION|Exercise TWO MARKS QUESTIONS AND ANSWERS|15 Videos

  • WORK, POWER AND ENERGY

    SUBHASH PUBLICATION|Exercise THREE MARKS QUESTIONS AND ANSWERS|6 Videos

  • WAVES

    SUBHASH PUBLICATION|Exercise NUMERICALS WITH SOLUTIONS|46 Videos

Similar Questions

Explore conceptually related problems

What is a good source of energy?

Sun is the only source of energy for the given ecosystems except

Most of the sources of energy we are represent stored solar energy. Which of the following is not ultimately derived from the sun's energy

How do carbohydrates act as a source of energy ?

SUBHASH PUBLICATION-WORK, POWER AND ENERGY -NUMERICALS WITH SOLUTIONS
  1. What is the source of energy of stars?

    Text Solution

    |

  2. The K.E. of electron is 10 keV. Calculate its speed.

    Text Solution

    |

  3. A family uses 8 kW of power. Direct solar energy is incident on the ho...

    Text Solution

    |

  4. What is the amount of energy released per atomic fission of U-235 by a...

    Text Solution

    |

  5. What is the approximate energy released in the fusion of four protons ...

    Text Solution

    |

  6. An electron and a proton are detected in a cosmic ray experiment, the ...

    Text Solution

    |

  7. A rain drop of radius 2 mm falls from a height of 500 m above the grou...

    Text Solution

    |

  8. A body constrained to move along the z-axis of a coordinate system is ...

    Text Solution

    |

  9. A molecule in a gas container hits a horizontal wall with a speed of 2...

    Text Solution

    |

  10. A force of vecF=(hati+2hatj+3hatk)N when acting on a particle propels ...

    Text Solution

    |

  11. A pump is required to lift 800 kg of water per minute from a 10 m deep...

    Text Solution

    |

  12. The potential energy of a particle in the X-Y plane is given by U=k(x+...

    Text Solution

    |

  13. A fire engine can throw 400 gallons of water per minute to a height of...

    Text Solution

    |

  14. A car weighing 550 kg, ascends a hill with a gradient of 1 in 6 at a s...

    Text Solution

    |

  15. A turbine generates 1.64 MW. Assuming the efficiency to be 80% and hea...

    Text Solution

    |

  16. A steam turbine shovel lifts 10^(3) kg of earth to a height of 3.75 m ...

    Text Solution

    |

  17. The makers of a certain motor car state that if the brakes are applied...

    Text Solution

    |

  18. A machine gun fires 25 bullets of mass 0.1 kg each, per minute. If the...

    Text Solution

    |

  19. A cloud of thickness 10 m and area 10^(6)m^(2) is formed at a height o...

    Text Solution

    |

  20. A body of mass 10 kg at a height 200 m falls freely. Calculate the kin...

    Text Solution

    |

  21. A cart is used to lower vertically, a block of mass 10 kg over a dista...

    Text Solution

    |