Home
Class 10
PHYSICS
The world's known coal reserves are expe...

The world's known coal reserves are expected to last for about :

A

200 years

B

400 years

C

500 years

D

100 years

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • SOURCES OF ENERGY

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT|8 Videos

  • SOURCES OF ENERGY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Questions|7 Videos

  • REFRACTION OF LIGHT

    LAKHMIR SINGH & MANJIT KAUR|Exercise VERY SHORT ANSWER TYPE QUESTIONS|1 Videos

  • TEST PAPER 1

    LAKHMIR SINGH & MANJIT KAUR|Exercise Section B|4 Videos

Similar Questions

Explore conceptually related problems

The fossil fuel whose known reserves in the earth are expected to last for the minimum period is :

Despite having large reserves of coal, why does India important millions of tonnes of coal ? 1. It is the policy of India to sabe its own coal reserves for future, and import it from other countries for the present use . 2. Most of the power plants in India are coal - based and they are not able to get sufficient supplies of coal from withing the country. 3. Steel companies need large quantity of coking coal which has to be imported. Which of the statements given above is.are correct ?

How long are the energy resources of the earth like coal, petroleum and natural gas expected to last ?

LAKHMIR SINGH & MANJIT KAUR-SOURCES OF ENERGY -MCQ
  1. The 'coolants' which can be used in the reactor of a nuclear power sta...

    Text Solution

    |

  2. In a nuclear power plant, coolant is a substance :

    Text Solution

    |

  3. Which of the following is ultimately not derived from the sun's energy...

    Text Solution

    |

  4. 1 atomic mass unit is equal to

    Text Solution

    |

  5. The energy in the reactor of a nuclear power station is produced by th...

    Text Solution

    |

  6. One eV (electron volt) of nuclear energy is equivalent to :

    Text Solution

    |

  7. Which of the following can be produced during the nuclear fission as w...

    Text Solution

    |

  8. Nuclear fission reactions are not a source of energy for one of the fo...

    Text Solution

    |

  9. The energy produced by converting 1 gram mass of a nuclear fuel into e...

    Text Solution

    |

  10. The source of energy of the sun is

    Text Solution

    |

  11. An uncontrolled nuclear chain reaction in nuclear fission forms the ba...

    Text Solution

    |

  12. One MeV of nuclear energy is equivalent to :

    Text Solution

    |

  13. One type of energy which has not been controlled so far is :

    Text Solution

    |

  14. The disposal of wastes produced in a nuclear power plant poses a big p...

    Text Solution

    |

  15. The heat energy released during nuclear fission and fusion is due to t...

    Text Solution

    |

  16. Which of the following can undergo nuclear fusion reaction ?

    Text Solution

    |

  17. The major cause of environmental pollution is the use of :

    Text Solution

    |

  18. The world's known coal reserves are expected to last for about :

    Text Solution

    |

  19. The fossil fuel whose known reserves in the earth are expected to last...

    Text Solution

    |

  20. An energy efficient device for producing light is :

    Text Solution

    |