Home
Class 12
PHYSICS
The image formed by a convex mirror is o...

The image formed by a convex mirror is one third of the object. If the focal length of the mirror is 30 cm, calculate the image distance.

Text Solution

Verified by Experts

The correct Answer is:
20 cm
Promotional Banner

Topper's Solved these Questions

  • REFLECTION OF LIGHT

    CHHAYA PUBLICATION|Exercise PROBLEM SET - II|10 Videos

  • REFLECTION OF LIGHT

    CHHAYA PUBLICATION|Exercise HOTS NUMERICAL PROBLEMS|18 Videos

  • REFLECTION OF LIGHT

    CHHAYA PUBLICATION|Exercise SHORT ANSWER TYPE QUESTION -II|11 Videos

  • QUESTION PAPER OF WBCHSE 2019

    CHHAYA PUBLICATION|Exercise PART- B (SECTION-II)|4 Videos

  • REFRACTION OF LIGHT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

Similar Questions

Explore conceptually related problems

Can we cast the image formed by a convex mirror on a screen?

An object of length 5cm is placed perpendicularly on the principal axis at a distance of 75cm from a conacave mirror. If the radius of curvature of the mirror is 60cm, calculate the image distance and its hieght.

An image of size (1)/(n) times that of the object is formed in a convex mirror. If r is the radius of curvanture of the mirror, calculate the object distance.

An object of size 5cm is placed on the principal axis of a convex mirror at a distance of 10cm from it . The focal length of the convex mirror is 20cm. Determine the nature, position and size of the image formed.

An radius of curvature of a convex mirror is 40 cm and the size of the object is twice the size of the image. The image distance will be

A small linear object of length b is situated along the axis of a concave mirror at a distance x. If the focal lenght of the mirror is f, the length of the image will be

An object is placed at a distance of 25 cm from a concave mirror and a real image a formed by the mirror at a distance of 37.5 cm. If the object is moved 15 cm towards the mirror the image distance will be

A virtual image of half the size of the object is formed by a convex mirror at a distance of 30 cm from the object. What is the radius of curvature of the mirror?

An objects is placed in front of a concave mirror. The mirror forms an image of magnification 2 on a screen. Now the object is moved such that on shifting the screen another 20 cm from the mirror, the image formed on the screen is magnified three times. Determine the displacement of the object and the focal length of the mirror.

CHHAYA PUBLICATION-REFLECTION OF LIGHT-PROBLEM SET - I
  1. An arrow of length 15 cm is placed along the axis of a concave mirror....

    Text Solution

    |

  2. A beam of converging rays from a point source would meet behind spheri...

    Text Solution

    |

  3. The focal length of a concave mirror is 20 cm . Where should an object...

    Text Solution

    |

  4. What type of a spherical mirror is required to project the image of th...

    Text Solution

    |

  5. At what distance from a concave mirror an object should be placed to g...

    Text Solution

    |

  6. The diameter of the moon is about 2160 km . When the moon's distance f...

    Text Solution

    |

  7. A planet subtends an angle (6)/(pi) min at the pole of a concave mirro...

    Text Solution

    |

  8. An object is kept at a distance of 0.3 m from a concave mirror. If mag...

    Text Solution

    |

  9. A man wants to observe his own eye with the help of a concave mirror o...

    Text Solution

    |

  10. An object of size 5 cm is placed at a distance of 2 m from a concave ...

    Text Solution

    |

  11. An object is placed at a distance x from the principal focus of a sphe...

    Text Solution

    |

  12. The sun (diameter d) subtends an angle theta radian at the pole of a c...

    Text Solution

    |

  13. A narrow rod of length (f)/(3) is placed along the axis of a concave ...

    Text Solution

    |

  14. A square plate of side 4 cm is situated at a distance of 20 cm from a ...

    Text Solution

    |

  15. An object is kept in front of a concave mirror of focal length 15 cm. ...

    Text Solution

    |

  16. Find the position of an object which when placed in front of a concave...

    Text Solution

    |

  17. The image formed by a convex mirror is one third of the object. If th...

    Text Solution

    |

  18. A virtual image of half the size of the object is formed by a convex m...

    Text Solution

    |

  19. What will be the magnification of an object placed at 2f from the pole...

    Text Solution

    |

  20. When an object is placed at a distance of 60 cm from a convex spherica...

    Text Solution

    |