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 the image will disappear

B

Complete image will be formed of same intensity

C

Half image will be formed of same intensity

D

Complete image will be formed of decreased intensity

Text Solution

Verified by Experts

The correct Answer is:
D

Intensity decreases but complete image will be formed
Promotional Banner

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?