Practicing Success
Practicing Success
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| 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? |
half the image will disappear incomplete image will be formed intensity of image will increase but image is not distinct. intensity of image will decrease but complete image is formed |
| intensity of image will increase but image is not distinct. |
| The focal length of lens does not change but amount of light passing through lens becomes half. |
