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

9th-class-result-2022

google ads 1

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

Incorrect

Half of the image disappears

Correct

Complete image is formed

Incorrect

None of above

Incorrect

Complete image disappears

Google Ads