Home
Class 10
PHYSICS
The focal length of the eye lens is chan...

The focal length of the eye lens is changed due to the action of the……….

A

pupil

B

retina

C

ciliary muscles

D

cornea

Text Solution

Verified by Experts

The correct Answer is:
A, C
Promotional Banner

Topper's Solved these Questions

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS (Answer the following questions in very short as directed (Miscellaneous) )|55 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise Value Based Questions With Answers|24 Videos

  • THE HUMAN EYE AND THE COLOURFUL WORLD

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS|3 Videos

  • QUESTION PAPER-2 (MARCH,2020 - BOARD'S QUESTIONS PAPER)

    KUMAR PRAKASHAN|Exercise Section - D (Answer the following questions)|3 Videos

Similar Questions

Explore conceptually related problems

The change in focal length of an eye lens is caused by the action of the …

Focal length of thin lens ......

In a displacement method the distance between the object and the screen is 70 cm and the focal length of the lens is 16 cm, find the separations of the magnified and diminished image position of the lens.

What can be said about the focal length of the eye lens if its curvature increases ?

If the focal length of objective lens is increased then magnifying power of ......

The focal length of an equiconvex lens in air i equal to either of its radii of curvature. The refractive index of the material of the lens is …........

The magnifying power of a telescope is m. If the focal length of the eye-piece is halved, then its magnifying power is .........

The focal length of the lens in a photographic camera is 5cm. what is the power of the lens?

KUMAR PRAKASHAN-THE HUMAN EYE AND THE COLOURFUL WORLD-OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option)
  1. Which colour of light deviates maximum in the dispersion of white ligh...

    Text Solution

    |

  2. In the human eye, the image of an object is formed at the ........

    Text Solution

    |

  3. The focal length of the eye lens is changed due to the action of the……...

    Text Solution

    |

  4. A ......... lens is used to correct presbyopia.

    Text Solution

    |

  5. Out of the following, which phenomenon does not play a role in the for...

    Text Solution

    |

  6. Where is the image formed in the eye of a person suffering from near-s...

    Text Solution

    |

  7. Which phenomenon is responsible for the twinkling of stars ?

    Text Solution

    |

  8. The phenomenon of ......... of light by the colloidal particles gives ...

    Text Solution

    |

  9. What is the time difference between actual sunset and apparent sunset?

    Text Solution

    |

  10. Which light gets scattered maximum due to atmosphere?

    Text Solution

    |

  11. Which light has minimum speed in glass (prism)?

    Text Solution

    |

  12. When an eye is focussed on a distant object, the focal length of the e...

    Text Solution

    |

  13. How many surfaces does a triangular prism have ?

    Text Solution

    |

  14. The wavelengths of violet, yellow and red light are lambda(v), lambda(...

    Text Solution

    |

  15. For normal vision, the far point is at…………. distance.

    Text Solution

    |

  16. For normal vision, the near point is ............

    Text Solution

    |

  17. Which phenomenon can explain the advance sunrise and the delayed sunse...

    Text Solution

    |

  18. Which of the following phenomena cannot be explained by scattering of ...

    Text Solution

    |

  19. The base of an equilateral triangle ABC is BC. When it is arranged in ...

    Text Solution

    |

  20. The Sun appears white in afternoon. The reason is ..........

    Text Solution

    |