Home
Class 12
PHYSICS
Assertion (A): Skiers uses air glasses. ...

Assertion (A): Skiers uses air glasses.
Reason(R) : Light reflected by snow is partially polarised.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true and R is not the correct explanation of A

C

A is true and R is false

D

Both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVES OPTICS

    AAKASH SERIES|Exercise EXERCISE -II (INTERFERENCE)|26 Videos
  • WAVES OPTICS

    AAKASH SERIES|Exercise EXERCISE -II (DIFFRACTION)|17 Videos
  • WAVES OPTICS

    AAKASH SERIES|Exercise EXERCISE -IA (ASCENDING AND DSCENDING ORDER TYPE QUESTIONS)|6 Videos
  • WAVES

    AAKASH SERIES|Exercise EXERCISE-III (Doppler effect :)|15 Videos

Similar Questions

Explore conceptually related problems

When the angle of incidence is 60^(@) on the surface of a glass slab, it is found that the reflected ray is completely polarised. The velocity of light in glass is

Assertion (A) : LASER is used to measure distant object as moon. Reason (R) : They are highly coherent source of light.

Assertion : Silica gel is used to dry air. Reason : Silica gel absorbs moisture from air.

When light is incident from air to glass at an angle 57^@ , the reflected beam is completely polarised. If the same beam is incident from water to glass, the angle of incidence at which reflected beam is completely polarised will be

Assertion: Incoming light reflected by earth is partially polarized. Reason: Atmospheric particle polarize the light.

Assertion (A) : The film which appears bright in reflected system will appear dark in the transmitted system and vice-versa. Reason (R ) : The conditions for film to appear bright or dark in the reflected light are just reverse to those in the transmitted light

Assertion (A) H_(2)O_(2) is not stored in glass bottles. Reason (R ) Alkali oxides present in glass catalyse the decomposition of H_(2)O_(2)

(a). Assertion (A) is true, Reason (R) is also true, Reason (R) is the correct explanation for assertion (A). (b). Assertion (A) is true, Reason (R) is true, Reason (R) is not the correct explanation for Assertion (A). (c). Assertion (A) is true, Reason (R) is false. (d). Assertion (A) is false, Reason (R) is true. Q. Assertion (A): [Fe(H_2O)_5NO]SO_4 paramagnetic. Reason (R): The Fe in [Fe(H_2O)_5NO]SO_4 has three unpaired electrons.

(a). Assertion (A) is true, Reason (R) is also true, Reason (R) is the correct explanation for assertion (A). (b). Assertion (A) is true, Reason (R) is true, Reason (R) is not the correct explanation for Assertion (A). (c). Assertion (A) is true, Reason (R) is false. (d). Assertion (A) is false, Reason (R) is true. Q. Assertion (A): to a solution of potassium chromate, if a strong acid is added, it changes its colour from yellow to orange. Reason (R): The colour change is due to the change in oxidation state of potassium chromate.

(a). Assertion (A) is true, Reason (R) is also true, Reason (R) is the correct explanation for assertion (A). (b). Assertion (A) is true, Reason (R) is true, Reason (R) is not the correct explanation for Assertion (A). (c). Assertion (A) is true, Reason (R) is false. (d). Assertion (A) is false, Reason (R) is true. Q. Assertion (A): Zn^(2+) is diamagnetic. Reason (R): The electrons are lost from 4s-orbital to form Zn^(2+) .

AAKASH SERIES-WAVES OPTICS-EXERCISE -IB (ASSERTION AND REASON)
  1. A : Resolving power of a microscope can be increased by choosing a med...

    Text Solution

    |

  2. A : Spy satilight cameras use lenses with very large aperatures. R :...

    Text Solution

    |

  3. A : Transverse wave nature of light is proved by polarisation. R : A...

    Text Solution

    |

  4. A : Nicol prism is used to produce and analyse plane polarised light. ...

    Text Solution

    |

  5. A : When an unpolarised light is incident on a glass plate at Brewster...

    Text Solution

    |

  6. A : The unpolarised light and polarised light can be distinguished fro...

    Text Solution

    |

  7. A : Light coming from numbers of calculator.s L.C.D display is polaris...

    Text Solution

    |

  8. A : One of the images in double refraction doesn't obey the principles...

    Text Solution

    |

  9. Assertion (A): Skiers uses air glasses. Reason(R) : Light reflecte...

    Text Solution

    |

  10. A : 3-D movies are produced by pojecting two images onto a screen, wit...

    Text Solution

    |

  11. Assertion:- Newton's rings are formed in the reflected system. When th...

    Text Solution

    |

  12. A : In a movie ordinary 24 frames are projected per second from one en...

    Text Solution

    |

  13. A : A famous painting was painted by not using brush strokes in the us...

    Text Solution

    |

  14. Assetion To observe diffraction of light the size of obstacle/aperture...

    Text Solution

    |

  15. Assertion (A) : The film which appears bright in reflected system will...

    Text Solution

    |

  16. Statement-1 : On viewing the clear blue portion of the sky through a C...

    Text Solution

    |

  17. A : Diffraction determines the limitations of the concept of light ray...

    Text Solution

    |

  18. A : When tiny circular obstacle is placed in the path of light from so...

    Text Solution

    |

  19. A : At the first glance, the top surf Morpho butterfly.s wing appears ...

    Text Solution

    |

  20. Assertion : Standard optical diffraction gratings cannot be used for ...

    Text Solution

    |