A converging lens is used to form image on a screen. When the lower half of the lens is covered by an opaque screen then, the correct statements are:
(A) Intensity of Image will decrease.
(B) Intensity of Image will increase.
(C) Complete Image will be formed.
(D) Half the Image will disappear.
Choose the correct answer from the options given below.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → (A) and (C) Only
On covering half portion of the converging lens with a screen (opaque in nature) the image will not disappear.
Although, the intensity of the image will be reduced as only half of the lights are forming the image.