Sarthaks Test
0 votes
in Light by (41.7k points)
closed by

One-half of a convex lens of focal length 20 cm is covered with a black paper. 

(i) Will the lens produce a complete image of the object? 

(ii) How will the intensity of the image formed by half covered lens compare with non-covered lens?

1 Answer

+1 vote
by (49.5k points)
selected by
Best answer

(i) Yes, complete image will be formed.

(ii) Intensity will be reduced as the light falling on the lower (covered) portion will not reach the position of image.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.