Home
Class 12
PHYSICS
A transparent plastic bag filled with ai...

A transparent plastic bag filled with air forms a concave lens. Now, if this bag is completely immersed in water, then it behaves as

A

convergent lens

B

rectangular slab

C

divergent lens

D

equilateral prism

Text Solution

Verified by Experts

The correct Answer is:
B

(b) After completely immersed in water, this bag will behave as convergent lens.
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY|Exercise medical entrance special format question|25 Videos
  • RAY OPTICS

    DC PANDEY|Exercise Medical entrance gallary|76 Videos
  • RAY OPTICS

    DC PANDEY|Exercise Checkpoint 9.7|10 Videos
  • NUCLEI

    DC PANDEY|Exercise C MADICAL ENTRANCES GALLERY|46 Videos
  • REFLECTION OF LIGHT

    DC PANDEY|Exercise Subjective|9 Videos

Similar Questions

Explore conceptually related problems

The string AB vibrates in two loops with a tuning fork when block hasngs in air. Now block is completely immersed in water, the string vibrates in three loops with same tuning fork. The specific gravity of block is :

If x is the weight of an object in air and Y is its weight when completely immersed in water, then (X)/(X-Y)

A soft plastic bag of weight w_(0) is filled with air at STP Now, weigth of the bag is w in air. Then,

A convex lens of glass has power P in air. If it is immersed in water its power will be

A concave mirror and a convex lens are of the same focal length in air. When they are immersed in water

A concave mirror of radius of curvature 40cm forms an image of an object placed on the principal axis at a distance 45 cm in front of it. Now if the system (including object) is completely immersed in water (mu=1.33) , then

A hollow right circular cylindrical vessel of volume whose diameter is equal to its height, is completely filled with water. A heavy sphere of maximum possible volume is then completely immersed in the vessel. What volume of water remains in the vessel ?

A lens of any transparent material in air will behave as

DC PANDEY-RAY OPTICS-Exercise
  1. An object has image thrice of its original size when kept at 8 cm and ...

    Text Solution

    |

  2. If there had been one eye of the man, then

    Text Solution

    |

  3. A transparent plastic bag filled with air forms a concave lens. Now, i...

    Text Solution

    |

  4. A normal eye is not able to see objects closer than 25 cm because

    Text Solution

    |

  5. A mark at the bottom of a liquid appears to rise by 0.1m. The depth of...

    Text Solution

    |

  6. Under minimum deviation condition in a prism, if a ray is incident at ...

    Text Solution

    |

  7. A prism can have a maximum refracting angle of (thetaC=critical angle ...

    Text Solution

    |

  8. You are given four sources of light each one providing a light of a si...

    Text Solution

    |

  9. A beam of light composed of red and green ray is incident obliquely at...

    Text Solution

    |

  10. Object is placed 15 cm from a concave mirror of focal length 10 cm, th...

    Text Solution

    |

  11. When a lens of refractive index n(1), then the lens looks to be dissap...

    Text Solution

    |

  12. If x(1) is the size of the magnified image and x(2) is the size of the...

    Text Solution

    |

  13. Mark the correct one.

    Text Solution

    |

  14. The direction of ray of light incident on a concave mirror is shown by...

    Text Solution

    |

  15. Two beams of red and violet colours are made to pass separately throug...

    Text Solution

    |

  16. When sun light is scatterred by minute particles of atmosphere, then t...

    Text Solution

    |

  17. An object is placed at a distance u from an equiconvex lens such that ...

    Text Solution

    |

  18. If the aperature of a telescope is decreased resolving power will

    Text Solution

    |

  19. A telescope has an objective of focal length 100 cm and an eye-piece o...

    Text Solution

    |

  20. Which one of the following is not associated with the total internal r...

    Text Solution

    |