![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-white.png)
McqMate
Q. |
In the given equation, if r is the radial distance, n is the refractive index; what does z stands for? |
A. | focal length |
B. | distance along the optical axis |
C. | axial angle |
D. | diameter |
Answer» B. distance along the optical axis |
View all MCQs in
Broadband Communication Systems