![Mid-point between lens surface and principle axis is termed as](https://www.gkseries.com/blog/wp-content/uploads/2022/05/Mid-point-between-lens-surface-and-principle-axis-is-termed-as.png)
Q. Mid-point between lens surface and principle axis is termed as
A. Optical center
B. Midway center
C. Focal center
D. Focal point
Answer: Optical center
A. Optical center
B. Midway center
C. Focal center
D. Focal point
Answer: Optical center
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