Home
Class 12
PHYSICS
An object of size 3.0 cm is placed 14 cm...

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

Text Solution

Verified by Experts

The correct Answer is:
1.8 cm
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise EVALUATION QUESTION AND ANSWERS|30 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION|20 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise SOLUTIONS TO EXERCISES FROM NCERT TEXT|53 Videos
  • NUCLEI

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|23 Videos
  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|37 Videos

Similar Questions

Explore conceptually related problems

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

An object of height 3 cm is placed at 10 cm from a concave lens of focal length 15 cm. find the size of the image.

If an object is placed 10 cm in front of a concave mirror of focal length 20 cm, the image will be.

An object is placed 40 cm from a concave mirror of focal length 20 cm, the image formed is

If an object is placed at 10 cm infront of a concave mirror of focal length 15 cm. The magnification of image is

The power of a convex lens of focal length 50 cm is …………….

NEW JOYTHI PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS -PRACTICE PROBLEMS FOR SELF ASSESSMENT
  1. Use the mirror formula to show that for an object between the pole and...

    Text Solution

    |

  2. An object is kept in front of a concave mirror of focal length 20 cm. ...

    Text Solution

    |

  3. Find the position of the object for a convex mirror of focal length 20...

    Text Solution

    |

  4. A small bulb is placed at the bottom of a tank containing water to a d...

    Text Solution

    |

  5. a.Figure shows a cross-section of a 'light pipe' made of glass fibre o...

    Text Solution

    |

  6. Angle of the prism A = 72^(@) and its refractive index is 1.66 the pri...

    Text Solution

    |

  7. The earliest method of measuring refracting angle of a prism is to dir...

    Text Solution

    |

  8. A parallel beam of light falls normally on the first face of a prism o...

    Text Solution

    |

  9. A ray of light incident normally on to one face just grazes through th...

    Text Solution

    |

  10. An equilateral glass prism has a refractive index of 1.5 Calculate the...

    Text Solution

    |

  11. A beam of light converges to a point P , A lens is placed in the path ...

    Text Solution

    |

  12. An object of size 3.0 cm is placed 14 cm in front of a concave lens of...

    Text Solution

    |

  13. a. Determine the 'effective focl length ' of the combination of the tw...

    Text Solution

    |

  14. A double convex lens is to be made of glass with refractive index. 1.5...

    Text Solution

    |

  15. A lighted candle and the screen are placed at a fixed distance D apart...

    Text Solution

    |

  16. A lens is made with 2 convex faces of same radii of curvature. The ref...

    Text Solution

    |

  17. A combination of two thin lenses in contact is to be made which has th...

    Text Solution

    |

  18. For a normal eye, the far point is at infinity and the near point of d...

    Text Solution

    |

  19. In a compound microscope, the objective and eyepiece have focal length...

    Text Solution

    |

  20. An amateur astronomer wishes to estimate roughly the size of the Sun u...

    Text Solution

    |