Home
Class 12
PHYSICS
A man is 180 cm tall and his eyes are 10...

A man is 180 cm tall and his eyes are 10 cm below the top of his head. In order to see his entire height right from tow to head, he uses a plane mirror kept at a distance of 1 m from him. The minimum height of the plane mirror required is

A

180 cm

B

90 cm

C

85 cm

D

170 cm

Text Solution

Verified by Experts

The correct Answer is:
B

The shortest height of mirror in which the man can see himself full length is half on the height approximately.
Promotional Banner

Topper's Solved these Questions

  • WAVE MOTION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|364 Videos

Similar Questions

Explore conceptually related problems

A man is 6 ft tall In order to see his entire image, he requires a plane mirror of minimum length equal to

A boy is standing in front of a plane mirror at a distance of 3 m from it. What is the distance between the boy and his image?

In a convex mirror, of an object kept at a distance of 25 cm from mirror and half of its original height, focus of the mirror is

A man 160 cm height stands in fromt of a plane mirror . His eyes are at a height of 150 cm from the floor. Then the minimum length of the plane mirror for him to see his full length image is -

NIKITA PUBLICATION-WAVE THEORY OF LIGHT -Multiple Choice Questions
  1. Maxwell's electromagnetic theory of light suggests that light consists...

    Text Solution

    |

  2. A plane mirrorr is approaching you at a speed of 10cm//sec.You can see...

    Text Solution

    |

  3. A man is 180 cm tall and his eyes are 10 cm below the top of his head....

    Text Solution

    |

  4. A ray of light is incident on a plane mirror at an angle of incidence ...

    Text Solution

    |

  5. A ray of light is incident normally on a plane mirrorr. The angle of r...

    Text Solution

    |

  6. The nature of visible light waves is similar to

    Text Solution

    |

  7. For a certain light, there are 2 xx 10^(3) waves in 1.5 mm in air. The...

    Text Solution

    |

  8. Which of the following is an ascending order of frequency ?

    Text Solution

    |

  9. The wavelength of light visible to eye is of the order of

    Text Solution

    |

  10. Blue colour of water in sea is due to

    Text Solution

    |

  11. Our eye is most sensitive for which of following wavelength

    Text Solution

    |

  12. Signals of danger are made red, because

    Text Solution

    |

  13. The reason for shining of air bubble in water is

    Text Solution

    |

  14. At noon, the overhead sun is of normal size. It is due to

    Text Solution

    |

  15. What will be the colour of sky as seen from the earth, if there were n...

    Text Solution

    |

  16. When mirror is rotated through an angle theta, a reflected ray from it...

    Text Solution

    |

  17. Visible radiation has wavelength

    Text Solution

    |

  18. The frequency of visible range spectrum is of the order of

    Text Solution

    |

  19. The angle of deviation is the angle between the

    Text Solution

    |

  20. The laws of reflection of light are valid for

    Text Solution

    |