Home
Class 9
PHYSICS
is the commercial unit of power....

is the commercial unit of power.

A

iskilowatt second

B

dyne

C

kilowatt

D

erg

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    CHETANA PUBLICATION|Exercise EXERCISE|20 Videos

  • Study of Sound

    CHETANA PUBLICATION|Exercise EXERCISE|26 Videos

Similar Questions

Explore conceptually related problems

Answer the following questions : What is the commercial unit of electric energy? Obtain the relation between this unit and the SI unit of energy.

What is the commercial source of cork? How is it formed in the plant?

What is the commercial usef of red algae?

Explain the relation between, the commercial and SI unit of energy.

The SI unit of power is.

Answer the following questions: Give one commercial use of Biotechnology

Answer the following questions: State the units of power used in industry and for commercial purpose. Express them in watt.

State whtether the following statement are true or false. Unit of power is joule.

Answer the following Define power and explain relation between different units of power.

Answer the following questions : What is the unit of power of a lens ? Define it .

CHETANA PUBLICATION-WORK AND ENERGY-EXERCISE
  1. is the commercial unit of power.

    Text Solution

    |

  2. Forces are of …..…… types

    Text Solution

    |

  3. Fill in the blanks with appropriate words and writw the completed stat...

    Text Solution

    |

  4. S.I. unit of energy is….

    Text Solution

    |

  5. …………..is the capacity to do work.

    Text Solution

    |

  6. Name the following SI unit of energy

    Text Solution

    |

  7. Name the following The relationship between 1 joule and 1erg .

    Text Solution

    |

  8. State whether the following statements are true or false: Power is a ...

    Text Solution

    |

  9. State whtether the following statement are true or false. Water stored...

    Text Solution

    |

  10. Wind can move the blades of a windmill

    Text Solution

    |

  11. A stretched rubber band when released regainsits original length

    Text Solution

    |

  12. An exploding fire cracker lights as well as makes a sound.

    Text Solution

    |

  13. Solve the following examples: Ravi applied a force of 10 N and moved ...

    Text Solution

    |

  14. 500 kg water isstored in the overhead tank of a 10 m high building.Cal...

    Text Solution

    |

  15. 1 kg mass has a kinetic energy of 2 joule. Calculate its velocity

    Text Solution

    |

  16. Derive an expression for potential energy.

    Text Solution

    |

  17. A 25 W electric bulb is used for 10 hours every day. How much electric...

    Text Solution

    |

  18. If a TV of rating 100 W is operated for 6 hrs per day,find the number ...

    Text Solution

    |

  19. Solve the following examples: If a 1200 W electric iron is used daily...

    Text Solution

    |

  20. Answer the following questions: Derive the formula for the kinetic en...

    Text Solution

    |

  21. State the expression for work done when displacement and force makes a...

    Text Solution

    |