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

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

half 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.

The image formed will be complete because light ray s from alll parts of the object will strike on the lower half. But since the upper half light rays are cut off, the intensity will reduce.
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    CENGAGE PHYSICS|Exercise Assertion-Reasoninig Type|2 Videos
  • GEOMETRICAL OPTICS

    CENGAGE PHYSICS|Exercise Integer Type|4 Videos
  • GEOMETRICAL OPTICS

    CENGAGE PHYSICS|Exercise Single Correct Answer Type|50 Videos
  • FRICTION

    CENGAGE PHYSICS|Exercise QUESTION BANK|1 Videos
  • GRAVITATION

    CENGAGE PHYSICS|Exercise Question Bank|39 Videos

Similar Questions

Explore conceptually related problems

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 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