Home
Class 12
PHYSICS
Explain why the setting sun looks red?...

Explain why the setting sun looks red?

Promotional Banner

Topper's Solved these Questions

  • Optics-I

    BINA LIBRARY|Exercise EXERCISE|154 Videos

  • OPTICS -II

    BINA LIBRARY|Exercise EXERCISE|84 Videos

  • QUESTION PAPER 2012

    BINA LIBRARY|Exercise EXERCISE|40 Videos

Similar Questions

Explore conceptually related problems

Explain why HI is the strongest reducing agent among the halogens?

What is Huckel rule? Explain why the following system are not aromatic.

Explain why the following system is not aromatic.

Explain why the planets do not twinkle.

Explain why there is no existence of 2d orbital.

Explain why the speed of a whirl wind in a tornado is alarmingly high.

Explain why: the earth without its atmosphere would be inhospitably cold

Explain why Melting points of ionic compounds are higher than that of covalent compounds.

BINA LIBRARY-Optics-I-EXERCISE
  1. Explain why is the sun visible a little before actual sunrise and a li...

    Text Solution

    |

  2. Explain the origin of the blue colour of sky.

    Text Solution

    |

  3. Explain why the setting sun looks red?

    Text Solution

    |

  4. Why is red light used as a danger signal ?

    Text Solution

    |

  5. Explain why yellow head-lights are used in cars in foggy weather.

    Text Solution

    |

  6. In order to take colour photograph of a planet, what kind of telescope...

    Text Solution

    |

  7. Why should a simple magnifying glass be placed closer to the eye ?

    Text Solution

    |

  8. What is the best position for eye viewing an object through microscope...

    Text Solution

    |

  9. Define beam of light.

    Text Solution

    |

  10. Find the position of an object which when placed in front of a concave...

    Text Solution

    |

  11. When an object is placed at a distance of 60 cm from a convex mirror, ...

    Text Solution

    |

  12. An object is kept at 0.2 m from a convex lens of focal length 0.15 m. ...

    Text Solution

    |

  13. A double convex lens made of glass of refractive index 1.5 has both ra...

    Text Solution

    |

  14. Calculate the focal length of the combination of a convex lens of foca...

    Text Solution

    |

  15. A converging lens has focal length of 20 cm in air. It is made of a ma...

    Text Solution

    |

  16. Two lenses of powers, 15D and +5D are in contact with each other formi...

    Text Solution

    |

  17. The refractive index of a prism of angle 60 degree is 1.62 for sodium ...

    Text Solution

    |

  18. A ray of light incident on an equilateral glass prism shows minimum de...

    Text Solution

    |

  19. A ray of light passes through an equilateral prism such that the angle...

    Text Solution

    |

  20. An astronomical telescope of magnifying power 10 consists of two thin ...

    Text Solution

    |