– The lens is a portion of a transparent material usually bounded by …..
A. Two spherical surfaces only
B. One spherical and another plane surface only
C. Two spherical surfaces or by one spherical and another plane surface
D. Two plane surface only
Answer:C
– The lens is a portion of a transparent material usually bounded by …..
A. Two spherical surfaces only B. One spherical and another plane surface only C. Two spherical surfaces or by one spherical and another plane surface D. Two plane surface only