Home
Class 12
PHYSICS
An object is placed at a distance of 10 ...

An object is placed at a distance of 10 cm (in a medium of μ = 1) from the pole of a spherical refracting surface bounding a medium of μ = 1.5. If the image formed is virtual and at a distance of 40 cm, then the spherical surface is –

A

concave with radius of curvature = 8 cm

B

convex with radius of curvature = 8 cm

C

concave with radius of curvature = 3.6 cm

D

convex with radius of curvature = 3.6 cm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    MOTION|Exercise Exercise-2|39 Videos

  • RAY OPTICS

    MOTION|Exercise Exercise-3|65 Videos

  • RAY OPTICS

    MOTION|Exercise Questions For Practice|29 Videos

  • RADIOACTIVITY & NUCLEAR PHYSICS

    MOTION|Exercise Exercise-3|81 Videos

  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

Similar Questions

Explore conceptually related problems

An object is placed at a distance of 20 cm from the pole of a concave mirror of focal length 10 cm. The distance of the image formed is

An extended object of size 2cm is placed at a distance of 10cm in air (n = 1) form pole, on the other side of refracting surface has refractive index n = 2 . Find the positon, nature and size of image formed after single refraction through the curved surface.

If the object is placed at a distance of 10 cm from a plane mirror, then the image distance is ______ .

A luminous point object is placed at a distance of 20 cm, from the pole of a convex spherical surface of glass. The radius of the curvature of the convex surface is 25 cm and the R.I. of the glass is 1.5. What is the distance of the image from its pole ?

An extended object of size 2 cm is placed at a distance of 10 cm in air (n = 1) from pole, on the principal axis of a spherical curved surface. The medium on the other side of refracting surface has refractive index n = 2. Find the position, nature and size of image formed after single refraction through the curved surface.

A small point objects is placed in air at a distance of 60 cm from a convex spherical refractive surface of mu = 1.5 . If radius of curvature of spherical surface is 25 m , calculate the position of the image and the power of the refracting surface.

A small point object is placed at O at a distance of 0.60 metre in air from a convex spherical surface of refractive index 1.5 .If the radius of the curvature is 25cm then what is the position of the image on the principal axis.

An object is placed at a distance of 25 cm from a spherical mirror, its image is formed behing the mirror at a distance of 5 cm. The focal length and type mirror is

Discuss refraction from denser to rerer medium at a convex spherical refracting surface.

MOTION-RAY OPTICS-Exercise-1
  1. Monochromatic light is refracted from air into the glass of refractive...

    Text Solution

    |

  2. A point object is placed in air at a distance of 40 cm from a concave ...

    Text Solution

    |

  3. An object is placed at a distance of 10 cm (in a medium of μ = 1) from...

    Text Solution

    |

  4. A convex lens of glass (mu = 1.5) is immersed in water. Compared to it...

    Text Solution

    |

  5. The radii of curvatures of a double convex lens are 15 cm and 30 cm, a...

    Text Solution

    |

  6. The two spherical surfaces of a double concave lens have the same radi...

    Text Solution

    |

  7. A thin lens is made with as material having refractive index mu=1.5. b...

    Text Solution

    |

  8. Focal length of a convex lens of refractive index 1.5 is 2 cm. Focal l...

    Text Solution

    |

  9. The focal length of a plano-convex lens is equal to its radius of curv...

    Text Solution

    |

  10. A convex lens of focal length f will form a magnified real image of an...

    Text Solution

    |

  11. IMAGE FORMATION FROM CONCAVE LENS

    Text Solution

    |

  12. A lens of power +2 dioptres is placed in contact with a lens of powe...

    Text Solution

    |

  13. When two thin lenses are kept in contanct, the focal length of the com...

    Text Solution

    |

  14. A thin convex lens of focal length 10 cm and a thin concave lens of f...

    Text Solution

    |

  15. A convex lens of focal length A and a concave lens of focal length B a...

    Text Solution

    |

  16. When a thin convex lens is put in contact with a thin concave lens of ...

    Text Solution

    |

  17. If I(1) and I(2) be the size of the images respectively for the two po...

    Text Solution

    |

  18. A convex lens forms a real image on a screen placed at a distance 60 c...

    Text Solution

    |

  19. A plano-convex lens when silvered on the plane side behaves like a con...

    Text Solution

    |

  20. The plane surface of a plano-convex lens of focal length f is silvered...

    Text Solution

    |