A concave mirror forms the image of an object on a screen.

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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

1. To make the image less bright
2. To make the lower half of the image disappear
3. To make the upper half of the image disappear
4. To make the image blurred

Correct Option: A

N/A