Question

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 to make the

• A. image less bright.
• B. lower half of the image disappear.
• C. upper half of the image disappear.
• D. image blurred.

Answer 1

The correct option is A image less bright.

Due to covering the reflection from lower part is not there so it makes the image less bright.