RRB ALP 2013 Ques 71
Question: How will the image formed by a convex lens be affected if the central part of the lens is covered by black paper?
Options:
A) Remaining part of the lens will form no image
B) The central position of the image is absent
C) There will be no effect
D) The fall image will be formed with lessened brightness
Show Answer
Answer:
Correct Answer: D
BETA
