Home
Class 10
PHYSICS
A concave lens of focal length 12 cm and...

A concave lens of focal length 12 cm and a convex lens of focal length 20 cm are kept in contact with each other .
What will be the behavour of the combination /

Text Solution

Verified by Experts

The combination will behave as a concave lens.
Promotional Banner

Topper's Solved these Questions

  • LENSES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Exmaples/ Numerical problems|22 Videos

  • LAWS, RULES, UNITS AND DEFINITIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Carbon Compounds|18 Videos

  • MAKING CONCEPT DIAGRAMS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Cell Biology and Biotechnology|2 Videos

Similar Questions

Explore conceptually related problems

If a convex lens of focal length 20 cm and a concave lens of focal length 30 cm are kept in contract with each other. What will be the behaviour of the combination ?

If the convex lens of focal length 10 cm and a concave lens of focal length 50 cm are kept in contact with each other. What will be the behaviour of the combination (behaviour as a convex lens/concave lens) ?

If the convex lens of focal length 10 cm and a concave lens of focal length 50 cm are kept in contact with each other. What will be the focal length of the combination ?

If a convex lens of focal length 20 cm and a concave lens of focal length 30 cm are kept in contract with each other. What will be the focal length of the combination ?

If a convex lens of focal length 20 cm and a concave lens of focal length 30 cm are kept in contract with each other. What will the power of the combination ?

A concave lens of focal length 12 cm and a convex lens of focal length 20 cm are kept in contact with each other . Find the focal length of the combination .

If the convex lens of focal length 10 cm and a concave lens of focal length 50 cm are kept in contact with each other. What will be the power of combination ?

A concave lens of focal length 12 cm and a convex lens of focal length 20 cm are kept in contact with wach other. (i) Find the focal length of the combination. (ii) What will be the behaviour fo the combination ?

If a convex lens of focal length 10 cm and a concave lens of focal length 50 cm are kept in contact with each other , (i) what will be the focal length of the combination ? (ii) What will be the power of the combination? (iii) What will be the behaviour of the combination ( behaviour as a convex lens / concave lens ) ?

If a convex lens of focal length 20 cm and a concave lens of focal length 30 cm are kept in contact with each other (i) what will be the focal length of the combination ? (ii) what will be the power of the combination ? (iii) what will be behaviour of the combination ?

NAVNEET PUBLICATION - MAHARASHTRA BOARD-LENSES-Numerical Problems For Practice
  1. Find the focal length of a convex lens which produces a real image at ...

    Text Solution

    |

  2. Find the focal length of a convex lens which produces a virtual image ...

    Text Solution

    |

  3. A real image is obtained at 30 cm from a convex lens of focal length 7...

    Text Solution

    |

  4. An object is kept at 20 cm in front of a convex lens and its real imag...

    Text Solution

    |

  5. An object is kept at 20 cm in front of a convex lens and its real imag...

    Text Solution

    |

  6. An object is kept at 10 cm in front of a convex lens. Its imge is form...

    Text Solution

    |

  7. An object is kept at 10 cm in front of a convex lens. Its imge is form...

    Text Solution

    |

  8. An object is kept at 60 cm in front of convex lens of focal length 15 ...

    Text Solution

    |

  9. An object of height 2 cm is kept at 30 cm from a convex lens . Its rea...

    Text Solution

    |

  10. If the power of a lens is 4 dioptres , find its focal length.

    Text Solution

    |

  11. Find the power of a convex lens of focal length 40 cm.

    Text Solution

    |

  12. Find the power of a convex lens of focal length 12.5

    Text Solution

    |

  13. If for a lens, F=-20 cm, what is the power of the lens ?

    Text Solution

    |

  14. An object of height 4 cm in front of a concave lens of focal length 20...

    Text Solution

    |

  15. If two convex lenses of focal lengths 10 cm and 5 cm are kept in conta...

    Text Solution

    |

  16. If a convex lens of focal length 20 cm and a concave lens of focal len...

    Text Solution

    |

  17. If a convex lens of focal length 20 cm and a concave lens of focal len...

    Text Solution

    |

  18. If a convex lens of focal length 20 cm and a concave lens of focal len...

    Text Solution

    |

  19. A concave lens of focal length 12 cm and a convex lens of focal length...

    Text Solution

    |

  20. A concave lens of focal length 12 cm and a convex lens of focal length...

    Text Solution

    |