Home
Class 10
PHYSICS
A 4.5 cm needle is placed 12 cm away fro...

A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm. Give the location of the image and the magnification. Describe what happens as the needle is moved farther from the mirror.

Promotional Banner

Topper's Solved these Questions

  • REFLECTION AND REFRACTION

    MODERN PUBLICATION|Exercise EXAMPLE|138 Videos

  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    MODERN PUBLICATION|Exercise EXERCISE|265 Videos

  • SOURCES OF ENERGY

    MODERN PUBLICATION|Exercise EXAMPLE|92 Videos

Similar Questions

Explore conceptually related problems

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image

An object is at a distance of 5 m from a convex mirror of focal length 10 cm.Where is he image formed ?

An object is placed 15 cm from a convex mirror of radius of curvature 90 cm.Calculate the image position and magnification.

An object of 3 cm length is placed at 10 cm from the ple of a concave irror of focal length 9 cm.Find the size and position of the image.

An object of size 3.0cm is placed 14cm in front of a concave lens of focal length 21cm. Describe the image produced by the lens. What happens if the object is moved further away from the lens?

An object is placed at a distance 5 cm from a convex lens of focal lenth 10 cm.Calculate the position nd magnifiation of the image.

MODERN PUBLICATION-REFLECTION AND REFRACTION-EXAMPLE
  1. An object is placed 10 cm from a concave mirror of radius of curvature...

    Text Solution

    |

  2. An object is placed 15 cm from a convex mirror of radius of curvature ...

    Text Solution

    |

  3. A 4.5 cm needle is placed 12 cm away from a convex mirror of focal len...

    Text Solution

    |

  4. What is the speed of light?

    Text Solution

    |

  5. If refractive index of glass w.r.t. air is 1.55, then what is the refr...

    Text Solution

    |

  6. The refractive index of water is 4/3 and flint glass is 1.65. What is ...

    Text Solution

    |

  7. A ray of light passes from to air to glass at an angle of incidence of...

    Text Solution

    |

  8. Monochromatic light of wavelength 589 nm is incident from air on a wat...

    Text Solution

    |

  9. The refractive index of diamond is 2.42 and that of glass is 1.5. find...

    Text Solution

    |

  10. A ray of light of frequency of 5 xx 10^(14)Hz is passed through a liqu...

    Text Solution

    |

  11. Velocity of light in a medium is 1.5xx10^8 ms^-1. Find the refractive ...

    Text Solution

    |

  12. The refractive index of diamond is:

    Text Solution

    |

  13. A ray of light passes from air to glass. The glass of incidence is 45^...

    Text Solution

    |

  14. Velocity of light is equal to

    Text Solution

    |

  15. An object of 3 cm height is placed at a distance of 60 cm from a conve...

    Text Solution

    |

  16. An object 5.0 cm of length is placed at a distance of 20 cm in front o...

    Text Solution

    |

  17. Define focal length of a lens

    Text Solution

    |

  18. An object of 3 cm height is placed at a distance of 60 cm from a conve...

    Text Solution

    |

  19. The image obtained with a convex lens is erect and its lenth is four t...

    Text Solution

    |

  20. A pin of height 2 cm is placed on the principal axis of a converging l...

    Text Solution

    |