Sunday, 31 May 2015

Q30,Paper 3,J 13.If 40 black lines interleaved with 40 white lines can be distinguished across one inch, the resolution is



(A) 40 line-pairs per inch
(B) 80 line-pairs per inch
(C) 1600 lines per inch
(D) 40 lines per inch
Answer A.

No comments:

Post a Comment

Note: only a member of this blog may post a comment.