Q. उत्तल लेंस की क्षमता होती है ?

(A) ऋणात्मक
(B) धनात्मक
(C) शून्य
(D) अन्य

✅ Correct Answer: (B) धनात्मक

Published by Krishna Sharma ⭐ 48.52K Points at 05-Mar-2021 10:08 am in Science

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