Home
Class 12
PHYSICS
A tall man of height 6 feet, want to se...

A tall man of height 6 feet, want to see his full image. Then required minimum length of the mirror will be

A

12 feet

B

3 feet

C

6 feet

D

any length

Text Solution

Verified by Experts

The correct Answer is:
C

Minmum height of mirror required for seeing full image = `(1)/(2) xx "Height of the man" = 3 feet`.
Promotional Banner

Topper's Solved these Questions

  • OPTICS

    FULL MARKS|Exercise ADDITIONAL QUESITON - II ADDITIONAL PROBLEMS:|11 Videos
  • OPTICS

    FULL MARKS|Exercise TEXTUAL EVALUATION SOLVED V.NUMERICAL PROBLEMS|10 Videos
  • MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED - NUMERICAL PROBLEMS :|4 Videos
  • RECENT DEVELOPMENTS IN PHYSICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS (Short Answer Question)|6 Videos

Similar Questions

Explore conceptually related problems

A man having height 6 m, want to see full height in mirror. They observe image of 2 m height erect, then used mirror is

A boy 1.5 m tall with his eye level at 1.38 m stands before a mirror fixed on a wall. The minimum length of mirror required to view the complete image of boy is

A man uses a concave mirror for shaving. He keeps his face at a distance of 25 cm from the mirror and gets an image which is 1.4 times enlarged. Find the focal length of the mirror

What length of tarpaulin 3m wide be required to make a conical tent of height 8m and base radius 6m? Assume that extra length of material that will be required for stitching margins and wastage in cutting is approxmately 20 cm (use pi = 3.14)

A concave mirror forms an image of 20 cm high object on a screen placed 5.0 m away from the mirror. The height of the image is 50 cm. Find the focal length of the mirror and the distance between the mirror and the object.

An object of length 6 cm is planed on the principal axis of a concave mirror of focal length f at a distance of 4f. The length of the image will be

A boy stands straight in front of a mirror at a distance of 30 cm away from it. He sees his erect image whose height is (1/5)^(th) of his real height . The mirror he is using is

FULL MARKS-OPTICS-ADDITIONAL QUESITON -( MULTIPLE CHOICE QUESTIONS )
  1. For a person near point of vision is 100 cm. Then the power of lens he...

    Text Solution

    |

  2. Ray optics is valid, when characteristic dimensions are much larger th...

    Text Solution

    |

  3. A tall man of height 6 feet, want to see his full image. Then require...

    Text Solution

    |

  4. The refractive index of water is 1.33. What will be the speed of light...

    Text Solution

    |

  5. A beam of monochromatic light is refracted from vacuum into a medium o...

    Text Solution

    |

  6. Optical fibers are based on

    Text Solution

    |

  7. A convex lens is dipped in a liquid, whose refractive index is equal t...

    Text Solution

    |

  8. A convex lens and a concave lens, each havaing same focal length of 25...

    Text Solution

    |

  9. The focal length of a converging lens is measured for violet, green an...

    Text Solution

    |

  10. Rainbow is formed due to combination of

    Text Solution

    |

  11. The blue colour of the sky is due to the phenomenon of

    Text Solution

    |

  12. An astronomical telescope of ten fild angular magnification has a leng...

    Text Solution

    |

  13. Exposure time of a camera lens at the (f)/(2.8) setting is (1)/(200) s...

    Text Solution

    |

  14. Which of the following is not due to total internal reflection?

    Text Solution

    |

  15. An object is at a distance of 0.5 in front of a plane mirror. Distance...

    Text Solution

    |

  16. An object moves towards a stationary plane mirror at a speed of 4 ms^(...

    Text Solution

    |

  17. If two mirrors are kept at 60^(@) to each other and a body is placed...

    Text Solution

    |

  18. If an object is placed at 10 cm infront of a concave mirror of focal ...

    Text Solution

    |

  19. An object of length 2.5 cm is placed at the principal axis of a concav...

    Text Solution

    |

  20. Which of the following mirror is used by a dentist to examine a small ...

    Text Solution

    |