Home
Class 10
PHYSICS
If a convex lens of focal length 20 cm a...

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 ?

Text Solution

Verified by Experts

The combination will behave as a convex 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 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 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 ?

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 /

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 ?

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 ?

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 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 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 each other . Find the focal length 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

    |