Home
Class 12
PHYSICS
Assertion Sun appears red during sunrise...

Assertion Sun appears red during sunrise and sunset due to the phenomenon of refraction.
Reason In refraction of light frequency of light remains unchanged.

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are true but Reason is not correct explanation of Assertion.

C

If Assertion is true but Reason is false.

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY|Exercise Medical entrance gallary|76 Videos

  • RAY OPTICS

    DC PANDEY|Exercise Exercise|171 Videos

  • NUCLEI

    DC PANDEY|Exercise C MADICAL ENTRANCES GALLERY|46 Videos

  • REFLECTION OF LIGHT

    DC PANDEY|Exercise Subjective|9 Videos

Similar Questions

Explore conceptually related problems

The Sun appears red during sunset because _____

Give two examples of the phenomenon where refraction of light takes place.

Assertion : The sun lookes bigger in size at sunrise and sunset than during day. Reason : The phenomenon of diffraction bends light rays.

Assertion : Just before setting, the sun may appear to be elliptical. This happens due to refraction. Reason : Refraction of light ray through the atmosphere may cause different magnification in mutually perpendicular directions.

The ratio of the refractive index of red light to blue light in air is

Assertion Shining of diamond is due to the phenomenon of total internal reflection. Reason Refractive index of diamond is large. Hence,critical angle is small.

During sunrise and sunset, sun appears reddish-orange because

Assertion :- A real and inverted image is obtained on the retina. Reason:- Maximum refraction of light is caused by aqueous humor and lens.

DC PANDEY-RAY OPTICS-medical entrance special format question
  1. Assertion: In refraction from a plane surface, if object is virtual, t...

    Text Solution

    |

  2. Assertion Shining of diamond is due to the phenomenon of total interna...

    Text Solution

    |

  3. Assertion Sun appears red during sunrise and sunset due to the phenome...

    Text Solution

    |

  4. Assertion A mirror has only one focus, while that of lens has two foci...

    Text Solution

    |

  5. Assertion Lens formula can be applied only for thin lenses. Reason F...

    Text Solution

    |

  6. Assertion : The refractive index of diamond is sqrt(6) and that of l...

    Text Solution

    |

  7. Assertion A ray of light travels from first medium to second medium. I...

    Text Solution

    |

  8. Assertion When a wave travels from a denser to a rarer medium, its amp...

    Text Solution

    |

  9. Assertion In front of a concave mirror, a point object is placed betwe...

    Text Solution

    |

  10. Assertion: If a lens is immersed in a liquid its nature will change ie...

    Text Solution

    |

  11. Assertion A diverging lens (in air) cannot be made more diverging what...

    Text Solution

    |

  12. Assertion:Although the surfaces of goggle lens are curved, It does not...

    Text Solution

    |

  13. Assertion Focal length of a lens depends on the wavelength of light us...

    Text Solution

    |

  14. Assertion: A hollow lens behaves like a thin glass plate. Reason: Po...

    Text Solution

    |

  15. Assertion: If angle of incidence in case of a prism is gradually incre...

    Text Solution

    |

  16. Regarding the power of an optical instruments match the following two ...

    Text Solution

    |

  17. Magnitude of focal lengths of a convex lens, a concave lens, a convex ...

    Text Solution

    |

  18. Focal length of a biconvex lens is f. Regarding the focal lengths and ...

    Text Solution

    |

  19. Match Column I (Phenomenon) with Column II (Principle) and select the ...

    Text Solution

    |

  20. A thin convex lens has focal length f(1) and a concave lens has focal ...

    Text Solution

    |