How will the image formed by a convex lens be affected, if the upper half of the lens is wrapped with a black paper?

The size of the image is is reduced to one-half

No worries! We‘ve got your back. Try BYJU‘S free classes today!

The upper half of the image will be absent

No worries! We‘ve got your back. Try BYJU‘S free classes today!

The brightness of the image is reduced

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

There will be no effect

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B The brightness of the image is reduced
If the upper half of the lens is wrapped with a black paper the brightness of the image is reduced.because now less amount of light rays will go through the lens and will participate in making of image. So correct option is C.

Suggest Corrections

Similar questions

Q. How will the image formed by a convex lens be affected if the central portion of lens is wrapped in black paper?

The image of a candle formed by a convex lens is obtained on a screen. Will full size of the image be obtained if the lower half of the lens is painted completely opaque?

Q. 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) No part of image will disappear
c) Intensity of the image will increase
d. Intensity of the image will decrease

How will the image formed by a convex lens be affected, if the central portion of the lens is wrapped in black paper, as shown in the figure below?

Q. A convex lens forms a real image of a point object placed on its principle axis.If the upper half of the lens is painted black,the image will-

Join BYJU'S Learning Program

How will the image formed by a convex lens be affected, if the upper half of the lens is wrapped with a black paper?

The correct option is B The brightness of the image is reducedIf the upper half of the lens is wrapped with a black paper the brightness of the image is reduced.because now less amount of light rays will go through the lens and will participate in making of image. So correct option is C.

The correct option is B The brightness of the image is reduced
If the upper half of the lens is wrapped with a black paper the brightness of the image is reduced.because now less amount of light rays will go through the lens and will participate in making of image. So correct option is C.