Home
Class 12
PHYSICS
It is difficult to thread a needle with ...

It is difficult to thread a needle with one eye closed. Why?

Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQs Single Option Correct|43 Videos

  • GEOMETRICAL OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Numerical MCQs Single Options Correct|51 Videos

  • GEOMETRICAL OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practive Exercise 5.9|5 Videos

  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos

  • HEAT AND THERMAL EXPANSION

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMRICAL PROBLEMS FOR PREPARATION OF NSEP, INPhO & IPhO|82 Videos

Similar Questions

Explore conceptually related problems

It is difficult for a man to walk on sand why?

Why is it difficult to walk on sand?

Why is it difficult to walk on sand?

Boojho with perfect eyesight was finding it difficult to pass a thread through the eye of a needle. What can be the possible reason for this?

Why is it difficult to move a bike with its brakes on ?

Draw a cage on one side of a cardboard and a bird on the other side. Hang the cardboard with the help of a thread. Twist the thread and leave it. What do you see and why ?

PHYSICS GALAXY - ASHISH ARORA-GEOMETRICAL OPTICS-Discussion Question
  1. Can a real image be taken on a screen ?

    Text Solution

    |

  2. Can you obtain image produced by a convexlens on a screen without usin...

    Text Solution

    |

  3. It is difficult to thread a needle with one eye closed. Why?

    Text Solution

    |

  4. If a single lens isused to form an image, it is better to use a lens o...

    Text Solution

    |

  5. What is the best position of the eye for viewing an object through a m...

    Text Solution

    |

  6. Can the optical length between two points everbeless than the geometri...

    Text Solution

    |

  7. Can two lenses of the same material produce achromatism when placed in...

    Text Solution

    |

  8. Why is the aperture of objective lens of a telescope taken large ?

    Text Solution

    |

  9. A iiver inside the sea observes a ship on the water surface. Does he f...

    Text Solution

    |

  10. Why does the moon, purely white during the day, have a yellowish hue a...

    Text Solution

    |

  11. How focal length of a spherical mirror changes when placed in differen...

    Text Solution

    |

  12. An air bubble inside water broadly behaves as a concave lens. Is the t...

    Text Solution

    |

  13. Why does an aeroplane flying at a great altitude not cast a shadow on ...

    Text Solution

    |

  14. The magnifying power of a telescope in normal adjustment is greater th...

    Text Solution

    |

  15. When sun rays pass through a small hole in the foliage at the top of a...

    Text Solution

    |

  16. If a mirror reverses right and left, why doesn't it reverse up and dow...

    Text Solution

    |

  17. Is it possible to photograph a virtual image?

    Text Solution

    |

  18. Is it possible for a given lens to act as a converging lens in one med...

    Text Solution

    |

  19. A camera lens is marked f//1.8. What is the meaning of this mark?

    Text Solution

    |

  20. Some motor cars have additional yellow headlights. Why?

    Text Solution

    |