Home
Class 12
PHYSICS
Ordinary paper becomes transparent when ...

Ordinary paper becomes transparent when it is oiled. Explain why.

Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQ Single Option Correct|35 Videos

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Numerical MCQs Single Options Correct|49 Videos

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 6.4|1 Videos

  • THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.4|11 Videos

  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO|135 Videos

Similar Questions

Explore conceptually related problems

A nail becomes warm when it is hammered into a plank. Explain why ?

Why does the pitch of a note produced by a wooden open end organ pipe become shaper when the temperature increases ? Explain in detail.

The Pyrex glass is having very low coefficient of linear expansion. It is also used as a very good transparent heat resistor as compared to ordinary glass. Explain?

Assertion (A) An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles. Reason (R) Pore size of the filter paper becomes more than the size of colloidal particle.

PHYSICS GALAXY - ASHISH ARORA-WAVE OPTICS-Discussion Question
  1. Why does an aeroplane flying at a great altitude not cast a shadow on ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. How can we see a virtual image when it cannot be obtained on a screen ...

    Text Solution

    |

  5. Is is possible for a given lens to act as a converging lens in one med...

    Text Solution

    |

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

    Text Solution

    |

  7. If these are scratches on the lens of a camera, they do not appear on ...

    Text Solution

    |

  8. The sum seems to rise before it actually rises and it seems to set lon...

    Text Solution

    |

  9. Does the focal length of a lens depend on the medium in which the lens...

    Text Solution

    |

  10. Explain why the use of goggles enables an underwater swimmer to see cl...

    Text Solution

    |

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

    Text Solution

    |

  12. Why does a column of smoke rising above the roof of houses sseem blue ...

    Text Solution

    |

  13. What are primary colours ? Why are they so called ?

    Text Solution

    |

  14. A beam of white lighe passing through a hollow prism gives no spectrum...

    Text Solution

    |

  15. Ordinary paper becomes transparent when it is oiled. Explain why.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. What is the function of the circular stop at the focal plane of the ob...

    Text Solution

    |

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

    Text Solution

    |

  20. Can the optical length between two points even be less than the geomet...

    Text Solution

    |