Home
Class 8
PHYSICS
How much time it takes light to reach fr...

How much time it takes light to reach from sun to earth?

Promotional Banner

Topper's Solved these Questions

  • PHYSICAL ENVIRONMENT (HEAT)

    JNAN PUBLICATION|Exercise EXAMPLE|105 Videos

  • SAMPLE PAPER

    JNAN PUBLICATION|Exercise EXAMPLE|60 Videos

Similar Questions

Explore conceptually related problems

A balloon moves verticaIIy upwards with a uniform velocity v_(0) . A weight is tied to baIIoon with a rope. When the baIIoon attains a height h_(0) , the rope snaps. How much time will the weight take to reach the ground?

How much time Ratna Paddy takes to mature?

How much time takes for moong dal cooking?

How much time will sunlight take to pass through the glass window of thickness 4 mm ? mu of glass = 1.5.

The distance of the dwarf planet pluto from the sun is 40 times the average distance of the earth from the sun. How much time does pluto take to revolve around the sun ?

How much time would it take to distribute one avogadro number of wheat grains if 10^(10) grains are distributed each second?

If the refractive index of water is (4)/(3) and the velocity of light in vacuum is 3 xx 10^(8)m * s^(-1) , how much time will light take to travel a distance of 900 m in water? '

JNAN PUBLICATION-PHYSICAL ENVIRONMENT (LIGHT)-EXAMPLE
  1. Fill in the blanks:- Velocity of light in water is .

    Text Solution

    |

  2. What is light?

    Text Solution

    |

  3. How much time it takes light to reach from sun to earth?

    Text Solution

    |

  4. Name a real and unreal source of light.

    Text Solution

    |

  5. Name an instrument which is made using the principal of reflection of ...

    Text Solution

    |

  6. In a plane mirror if a ray of light reflects at 35^@ angle then what w...

    Text Solution

    |

  7. If a ray of lights strikes a mirror perpendicularly what will be the v...

    Text Solution

    |

  8. In what kind of surface regular reflection occurs?

    Text Solution

    |

  9. What is meant when it is said that the critical angle of diamond with ...

    Text Solution

    |

  10. In internal reflection light reflects from which medium to which mediu...

    Text Solution

    |

  11. Name a natural phenomena which is created due to internal reflection?

    Text Solution

    |

  12. Define absolute refractive index.

    Text Solution

    |

  13. When light enters a denser medium from a rarer medium how it changes i...

    Text Solution

    |

  14. When light enters a rarer medium from a denser medium how it changes i...

    Text Solution

    |

  15. What type of image is created in a plane mirror?

    Text Solution

    |

  16. What type of reflection occurs on the page of a book?

    Text Solution

    |

  17. In what kind of reflection image is formed?

    Text Solution

    |

  18. State the conditions of total internal reflection.

    Text Solution

    |

  19. The critical angle of water is 49^(@) - explain the statement.

    Text Solution

    |

  20. What is meant when it is said that the critical angle of diamond with ...

    Text Solution

    |