Home
Class 10
PHYSICS
Which lens, thick or thin has greater fo...

Which lens, thick or thin has greater focal length?

Text Solution

Verified by Experts

A thin lens has greater focal length as compared to a thick lens.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A beam of parallel rays is brought to focus by a planoconvex lens. A thin Concave lens of the same focal length is joined to the first lens. The effect of this is

An equiconvex lens of focal length 15 cm is cut into two equal halves in thickness. What is the focal length of each half ?

If a thin lens is dipped in water, does its focal length change ?

If a spherical mirror is dipped in water, does its focal length change ? 17. If a thin lens is dipped in water, does its focal length change ?

A thin lens of refractive index 1.5 has focal length of 15 cm in air. When the lens is placed is a medium of refractive index (4)/(3), its focal length will become …..cm.

Shown an object and its image formed by a thin lens. Then the nature and focal length of lens is

STATEMENT - 1 : When a lens is placed in a medium for which mu is less than of the lens, its focal length is moer than focal length in air. STATEMENT - 2 : When the lens is placed in a medium for which mu is greater than that of the lens. The nature of the lens remains unchanged. STATEMENT - 3 : When a lens of focal length f is placed in a medium for which mu is same as that of the lens then the power of the lens becomes zero

A thin liquid convex lens is formed in glass. Refractive index of liquid is 4/3 and that of glass is 3/2. If f is the focal length of the liquid lens is air, its focal length and nature in the glass is

A converging lens of focal length 30 cm is placed in contact with another converging lens of unknown focal length, then possible value for focal length of combination is

The figure shows and equiconvex lens of focal length f. It the lens is cut along PQ, the focal length of each half will be

ICSE-QUESTION PAPER-2019-SECTION-II
  1. Which lens, thick or thin has greater focal length?

    Text Solution

    |

  2. A body of mass 10 kg is kept at a height of 5 m. It is allowed to fall...

    Text Solution

    |

  3. A body of mass 10 kg is kept at a height of 5 m. It is allowed to fall...

    Text Solution

    |

  4. A uniform meter scale is in equilibrium as shown in the diagram : ...

    Text Solution

    |

  5. A uniform meter scale is in equilibrium as shown in the diagram : ...

    Text Solution

    |

  6. The diagram alongside shows a pulley arrangement : Copy the diagr...

    Text Solution

    |

  7. The diagram alongside shows a pulley arrangement : What is the vel...

    Text Solution

    |

  8. The diagram alongside shows a pulley arrangement. (a) Name the pulle...

    Text Solution

    |

  9. The diagram alongside shows a pulley arrangement : If the free end...

    Text Solution

    |

  10. How does the angle of deviation formed by a prism change with the incr...

    Text Solution

    |

  11. A virtual, diminished image is formed when an object is placed between...

    Text Solution

    |

  12. A virtual, diminished image is formed when an object is placed between...

    Text Solution

    |

  13. An object is placed at a distance 24 cm in front of a convex lens of f...

    Text Solution

    |

  14. An object is placed at a distance 24 cm in front of a convex lens of f...

    Text Solution

    |

  15. An object is placed at a distance 24 cm in front of a convex lens of f...

    Text Solution

    |

  16. It is observed that during march-past we hear a base drum distinctly f...

    Text Solution

    |

  17. It is observed that during march-past we hear a base drum distinctly f...

    Text Solution

    |

  18. A pendulum has a frequency of 4 vibrations per second. An observer sta...

    Text Solution

    |

  19. Two pendulums C and D are suspended from a wire as shown in the figure...

    Text Solution

    |

  20. Two pendulums C and D are suspended from a wire as shown in the figure...

    Text Solution

    |

  21. Two pendulums C and D are suspended from a wire as shown in the figure...

    Text Solution

    |