a concave lens is kept in contact with a convex lens of focal length 20cm the combination works as a convex lens of focal length 50 cm find the power of the concave lens
Answers
Answered by
0
-3
this may help u.......
this may help u.......
nishthaarya2:
please give me a detailed answer
please give me answer as fast as possible
Answered by
0
-3 is the correct answer
please give me detailed answers
Similar questions