Home
Class 9
PHYSICS
A battery lights a bulb. Describe the en...

A battery lights a bulb. Describe the energy changes involved in the process.

Text Solution

Verified by Experts

A battery converts chemical energy into eelctrical energy. This electrical energy is converted into light energy as the bulb is lighted up, i.e., the sequence of energy changes is as follows : Chemical energy `rarr` Electrical energy `rarr` Light energy.
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    PRADEEP|Exercise Short Answer Questions|11 Videos

  • WORK AND ENERGY

    PRADEEP|Exercise Long Answer Questions|8 Videos

  • WORK AND ENERGY

    PRADEEP|Exercise III Quiz Testing|10 Videos

  • SOUND

    PRADEEP|Exercise Model Test (sec - B)|12 Videos

Similar Questions

Explore conceptually related problems

Describe the energy changes which take place in an radio.

Describe the factors involved in the process of organic evolution.

Name the raw materials that are required for the manufacture of washing soda by Solvay process. Describe the chemical reactions involved in the process.

What is oogenesis? With the help of suitable diagram, describe the steps involved in this process.

What is spermatogenesis? With the help of a suitable diagram describe different steps involved in this process.

Which of the following changes involves a bond forming process ?

PRADEEP-WORK AND ENERGY-NCERT Questions
  1. Look at the activites listed below. Reason out whether or not work is ...

    Text Solution

    |

  2. An object thrown at a certain angle to the ground moves in a curved pa...

    Text Solution

    |

  3. A battery lights a bulb. Describe the energy changes involved in the p...

    Text Solution

    |

  4. Certain force acting on a 20 kg mass changes its velocity from 5m//s t...

    Text Solution

    |

  5. A mass of 10 kg is at a point A on a table. It is moved to a point B. ...

    Text Solution

    |

  6. The potential energy of a freely falling object decreases progressivel...

    Text Solution

    |

  7. What are the verious energy transformations that occur when you are ri...

    Text Solution

    |

  8. Does the transfer of energy take palce when you push a huge rock with ...

    Text Solution

    |

  9. A certain household has consumed 250 units of energy during a month. H...

    Text Solution

    |

  10. An object of mass 40 kg is raised to a height of 5 m above the ground....

    Text Solution

    |

  11. What is the work done by the force of gravity on a satellite moving ro...

    Text Solution

    |

  12. Can there be displacement of an object in the absence of any force act...

    Text Solution

    |

  13. A person holds a bundle of hay over his head for 30 minutes and gets t...

    Text Solution

    |

  14. An electric heater is rated 1500W. How much energy does it use in 10 ...

    Text Solution

    |

  15. Illustrate the law of conservation of energy by discussing the energy ...

    Text Solution

    |

  16. An object of mass m is moving with a constant velocity upsilon How muc...

    Text Solution

    |

  17. Calculate the work required to be done to stop a car of 1500 kg moving...

    Text Solution

    |

  18. In each of the following, a force, F is acting on an object of mass, m...

    Text Solution

    |

  19. Soni says that the acceleration in an object could be zero even when s...

    Text Solution

    |

  20. find the energy in kWh consumed in 10 hours by four devices of power 5...

    Text Solution

    |