Home
Class 12
PHYSICS
A converging lens is used to form an ima...

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

A

half of the.image will disappear

B

complete image will be formed

C

intensity of the image will increase

D

intensity of the image will decrease.

Text Solution

Verified by Experts

The correct Answer is:
B, D
Promotional Banner

Topper's Solved these Questions

  • OPTICS

    FIITJEE|Exercise COMPREHENSION- I|5 Videos

  • OPTICS

    FIITJEE|Exercise Comprehension -II|5 Videos

  • OPTICS

    FIITJEE|Exercise ASSERTION REASONING TYPE|3 Videos

  • MODERN PHYSICS

    FIITJEE|Exercise Numerical based questions|5 Videos

  • PHYSICS PART-III

    FIITJEE|Exercise NUMERICAL BASED QUESTIONS DECIMAL TYPE|11 Videos

Similar Questions

Explore conceptually related problems

A converging lens is udes to form an image on a screen. When the upper half of the lens is covered by an opaque screen,

A convex lens is used to form an image of an object on a screen. If the upper half of the lens is blackened so that it becomes opaque, then

A convex lens is used to form image of an object on screen. When half of the lens is covered by painting black on it, then

Name the lens used to obtain the image on a screen.

A concave mirror forms the image of an object on a screen. If the lower half of the mirror is covered with an opaque card, the effect would be

A thin converging lens is placed between an object and a screen whose the sharp image of the object is formed on the screen. Find the transverse diamension of the object if at one position of the lens the image diamension equals h' = 2.0 mm and at the other, h'' = 4.5 mm .

A converging lens is used to produce an image of an object on a screen. What change is needed for the image to be formed nearer to the lens?

FIITJEE-OPTICS-ASSIGNMENT PROBLEMS (OBJECTIVE)(level 2)
  1. A point object is placed at 30 cm from a convex glass lens (mu(g) = (3...

    Text Solution

    |

  2. For which of the pairs of u and f for a-mirror image is smaller in siz...

    Text Solution

    |

  3. A convex lens made of glass (mu(g)= 3/2) has focal length f in air. Th...

    Text Solution

    |

  4. A converging lens is used to form an image on a screen. When the upper...

    Text Solution

    |

  5. In an interference arrangement similar to young's double slit experime...

    Text Solution

    |

  6. A brid flies down vertically towards a water surface. To a fish inside...

    Text Solution

    |

  7. A point object P moves towards a convex mirror with a constant speed V...

    Text Solution

    |

  8. T is a point at the bottom of a tank filled with water, as shwon. The ...

    Text Solution

    |

  9. A ray of light travels from a medium of refractive index mu to air. It...

    Text Solution

    |

  10. In the previous question

    Text Solution

    |

  11. A point object is placed at the centre of a glass sphere of radius 6cm...

    Text Solution

    |

  12. A tank of height 33.25 cm is completely filled with liquid (mu = 1.33)...

    Text Solution

    |

  13. A ray of light travelling in a transparent medium falls on a surface s...

    Text Solution

    |

  14. A solid transparent sphere made of glass (R.I.=mu gt 1) has a small, o...

    Text Solution

    |

  15. A watch glass has uniform thickness, and the average radius of curvatu...

    Text Solution

    |

  16. A thin concavo-convex lens has two surfaces of radii of curvature R an...

    Text Solution

    |

  17. In Young's double slit experiment intensity at a point is ((1)/(4)) of...

    Text Solution

    |

  18. In a two slit experiment with white light, a white fringe is observed ...

    Text Solution

    |

  19. The ratio of intensities of two waves are given by 4:1. The ratio of t...

    Text Solution

    |

  20. In the Young's double slit experiment with sodium light, the slits are...

    Text Solution

    |