Home
Class 9
PHYSICS
Solve the numerical problem Swarali has...

Solve the numerical problem
Swarali has a doll. She wishes to keep it in front of a convex mirror of focal length 18 cm such that the height of the image of the doll is half the height of the object. Where should she keep the doll? Help her to determine the position of the doll.

Promotional Banner

Topper's Solved these Questions

  • REFLECTION OF LIGHT

    NAVNEET PUBLICATION|Exercise EXERCISE|130 Videos

  • OBSERVING SPACE: TELESCOPES

    NAVNEET PUBLICATION|Exercise EXERCISE|27 Videos

  • STUDY OF SOUND

    NAVNEET PUBLICATION|Exercise EXERCISE|111 Videos

Similar Questions

Explore conceptually related problems

A convex mirror has a focal length of 18cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?

An object is placed in front of a convex mirror of focal length 60 cm. If image formed is half the size of the object, the position of the image

Solve the numerical problem An object of height 5 cm is kept at 80 cm in front of a convex mirror of focal length 40 cm. Find the position of the image, the nature of the image and the magnification produced by the mirror.

Solve the numerical problem An object is placed at 6 cm in front of a concave mirror of focal length 10 cm. Find the position and nature of the image. What is the magnification produced by the mirror?

Solve the numerical problem At what distance from a concave mirror of focal length 2.5 m should a boy stand so that his image is half his height?

Solve the numerical problem A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?

An object of height 4 cm is kept in front of a concave lens of focal length 20 cm. If the object distance is 30 cm, find the position and the height of the image .

Solve the following examples/ numerical problems: An object is placed at 10 cm from a convex lens of focal length 12 cm . Find the nature and position of the image .

An object of height 2 cm is kept at 60 cm in front of a convex mirror of focal length 20 cm. Find the position of the image. State the nature of the image and find the magnification produced by the mirror.

Solve the numerical problem When an object is kept at 6 cm in front of a concave mirror, its image is obtained at 24 cm behind the mirror. Find the focal length and radius of curvature of the mirror.

NAVNEET PUBLICATION-REFLECTION OF LIGHT-EXERCISE
  1. Give scientific reasons: A concave mirror is called a converging mirr...

    Text Solution

    |

  2. Give scientific reasons: A concave mirror is used for shaving.

    Text Solution

    |

  3. Give scientific reasons: A concave mirror is used in reflectors in se...

    Text Solution

    |

  4. Give scientific reasons: While examining the teeth, a dentist uses an...

    Text Solution

    |

  5. Give scientific reasons: An image formed by a convex mirror is always...

    Text Solution

    |

  6. Give scientific reasons: A convex mirror is used as a rear-view mirro...

    Text Solution

    |

  7. Distinguish between: Real image and Virtual image

    Text Solution

    |

  8. Distinguish between Convex mirror and Concave mirror.

    Text Solution

    |

  9. Solve the numerical problem Swarali has a doll. She wishes to keep it...

    Text Solution

    |

  10. The real image of an object placed at 60 cm from a concave Mirror is ...

    Text Solution

    |

  11. The focal length of a concave mirror is 15 cm. if the object distance ...

    Text Solution

    |

  12. The focal length of a concave mirror is 15 cm. if the object distance...

    Text Solution

    |

  13. An object of height 3 cm is placed at 9 cm from a concave mirror. The...

    Text Solution

    |

  14. When an object is placed at 6 cm in front of a concave mirror, its vir...

    Text Solution

    |

  15. When an object is placed at 0.5 m from a concave mirror, its real imag...

    Text Solution

    |

  16. At what distance from a concave mirror of focal length 2 m should a bo...

    Text Solution

    |

  17. When an object is placed at 75 cm in front of a concave mirror, the ma...

    Text Solution

    |

  18. A concave mirror of focal length 10 cm is used to obtain an image on a...

    Text Solution

    |

  19. When an object of height 10 cm is placed at 6 cm from a concave mirror...

    Text Solution

    |

  20. An object of height 2 cm is kept at 60 cm in front of a convex mirror...

    Text Solution

    |