Home
Class 10
PHYSICS
For a person suffering from .......... t...

For a person suffering from .......... the power of the lens used in spectacles is positive.

A

far-sightedness

B

near-sightedness

C

presbyopia

D

cataract

Text Solution

Verified by Experts

The correct Answer is:
A, D
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

For persons suffering from near-sightedness the power of the lens used in spectacles is ..........

Power of lens depends on .....

By examining the chest X-ray probability that T.B. is detected when person is actually suffering is 0.99. The probability that doctor diagnoses incorrectly that person has T. B. on the basis of X-ray is 0.001. In certain city 1 to 1000 persons suffering from T.B. A person is selected at random is diagnosed to have a T.B. what is the chance he has actually T.B. ?

A ......... corrective lens is used to rectify near-sightedness.

For glass lens f=+50 cm. Then power of lens is

Rohit is a car driver working for Mr Joshi. One day Rohit complained that he had difficulty in driving the car because he could not see the distant traffic clearly though he could see the nearby objects clearly. Mr Joshi took Rohit to an eye hospital. The eye specialist doctor checked and tested his eyes with various machines and gave him the name and power of the lenses to be worn as spectacles. Mr Joshi paid for the required spectacles for the driver. By wearing these spectacles, the driver could now see even the distant vehicles and people on the road clearly. He thanked Mr Joshi for this. Name the eye defect Rohit is suffering from.

Rohit is a car driver working for Mr Joshi. One day Rohit complained that he had difficulty in driving the car because he could not see the distant traffic clearly though he could see the nearby objects clearly. Mr Joshi took Rohit to an eye hospital. The eye specialist doctor checked and tested his eyes with various machines and gave him the name and power of the lenses to be worn as spectacles. Mr Joshi paid for the required spectacles for the driver. By wearing these spectacles, the driver could now see even the distant vehicles and people on the road clearly. He thanked Mr Joshi for this. What values (or qualities) do you learn from Mr Joshi in this episode ?

The output power in step-up transformer used in practice is …..

KUMAR PRAKASHAN-THE HUMAN EYE AND THE COLOURFUL WORLD-OBJECTIVE QUESTIONS AND ANSWERS (Choose the correct option)
  1. When the ciliary muscles contract, the eye lens becomes ......... and ...

    Text Solution

    |

  2. The rainbow on the moon …

    Text Solution

    |

  3. In dispersion of white light due to a triangular glass prism, the devi...

    Text Solution

    |

  4. Which lens from the following, should a person suffering from near-sig...

    Text Solution

    |

  5. Which lens is used by a person suffering from far-sightedness?

    Text Solution

    |

  6. Which of the following is true for near sightedness?

    Text Solution

    |

  7. Which of the following is true for far- sightedness?

    Text Solution

    |

  8. Where is the image formed in the eye of a person suffering from far si...

    Text Solution

    |

  9. A person has a defect of eye vision. His near point is 40 cm. It means...

    Text Solution

    |

  10. A person has a defect of vision. His far point is 1.5 m. It means...

    Text Solution

    |

  11. Out of the following, which light is deviated minimum in the dispersio...

    Text Solution

    |

  12. Which light has maximum speed in glass?

    Text Solution

    |

  13. Which ray of light is present exactly at the middle of the spectrum ob...

    Text Solution

    |

  14. The lens in human eye is a ...........

    Text Solution

    |

  15. For persons suffering from near-sightedness the power of the lens used...

    Text Solution

    |

  16. For a person suffering from .......... the power of the lens used in s...

    Text Solution

    |

  17. Which phenomenon/phenomena of light is / are involved in the formation...

    Text Solution

    |

  18. ......... light from the following is least scattered by fog, dust and...

    Text Solution

    |

  19. Which of the following controls the amount of light entering into the ...

    Text Solution

    |

  20. The refractive index of glass is maximum for…………. light.

    Text Solution

    |