Home
Class 12
PHYSICS
Consider a point at the focal point of a...

Consider a point at the focal point of a convergent lens. Another convergent lens of short focal length is placed on the other side. What is the wavefronts emerging from the final image?

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

  • UNIT TEST -07

    MODERN PUBLICATION|Exercise EXERCISE|154 Videos

Similar Questions

Explore conceptually related problems

What type of wavefront will emerge from a point source?

If the focal length of a converging lens is 50 cm. What is the power of the Lens ?

What happens to be focal length of convex lens when it is immersed in water?

A converging and a diverging lens of equal focal lengths are placed co-axially in contact. Find the power and the focal length of the combination.

If a convex lens of focal length 80 cm and a concave lens of focal length 50 cm re combined together ,what will be their resulting power?

A lens is a focal length - 0.5 m. What is the nature and power of the lens?

A concave lens of focal length 15cm forms an image 10 cm from the lens. How far is the object placed from the lens? Draw ray diagram.

A convex lens of focal lenth 30 cm and a concave lens of focal length 60 cm are placed in contact.Find the power of the combination.

MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. Consider a point at the focal point of a convergent lens. Another conv...

    Text Solution

    |

  2. To get five images of a single object, one should have two plane mirro...

    Text Solution

    |

  3. A motor car is fitted with a convex driving mirror of focal length 20 ...

    Text Solution

    |

  4. An experiment is performed to find the refractive index of glass using...

    Text Solution

    |

  5. A transparent solid cylindrical rod has a refractive index of (2)/(sqr...

    Text Solution

    |

  6. In an optics experiment, with the position of the object fixed, a stud...

    Text Solution

    |

  7. A student measures the focal length of a convex lens by putting an obj...

    Text Solution

    |

  8. Which of the following phenomenon is used in optical fiber?

    Text Solution

    |

  9. The refractive index of water is 4//3.How much time will light take to...

    Text Solution

    |

  10. A plano convex lens of refractive index 1.5 and radius of curvature 30...

    Text Solution

    |

  11. Two lenses of powers+15D and -5D are in contact with each other. What ...

    Text Solution

    |

  12. A convex lens of refractive index 1.5 has a focal length of 18 cm in a...

    Text Solution

    |

  13. The refractive indices of the crown glass for blue and red light are 1...

    Text Solution

    |

  14. The total magnification produced by a compound microscope is 20,while ...

    Text Solution

    |

  15. Explain with reason,how the resolving power of an astronomical telesco...

    Text Solution

    |

  16. An initially parallel cylindical beam travels in a medium of refractiv...

    Text Solution

    |

  17. An initially parallel cylindical beam travels in a medium of refractiv...

    Text Solution

    |

  18. An initially parallel cylindical beam travels in a medium of refractiv...

    Text Solution

    |

  19. What is the main condition to produce interference of light?

    Text Solution

    |

  20. In Young's double slit experiment what is the shape of interference fr...

    Text Solution

    |

  21. In a Young's double slit experiment,the intensity at a point,where the...

    Text Solution

    |