Question
Question: A converging lens is used to from an image on a screen. When the upper half of the lens is covered b...
A converging lens is used to from an image on a screen. When the upper half of the lens is covered by an opaque screen,
A
Half the image will disappear
B
Complete image will disappear
C
Intensity of image will decrease
D
Intensity of image will increase
Answer
Intensity of image will decrease
Explanation
Solution
: Image formed is complete but has decreased intensity.