Question

Choose the right one.....
The incident ray passes without changing it's direction, when it passes through......
a) Focus
b) Optical center
c) Parallel to priancipal axis
d) None of the above ​

Answer 1

Answer:

b. optic centre

Explanation:

optic centre is just like the principle point.

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Answer 2

Answer:

option b

Explanation:

Is a correct answer