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A plano lens has one surface .......... ...

A plano lens has one surface .......... and the other surface plane.

A

oval

B

spherical

C

rectangular

D

triangular

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the characteristics of a plano lens, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Definition of a Plano Lens**: - A plano lens is defined as a lens that has one flat (plane) surface and one curved surface. 2. **Identifying the Types of Plano Lenses**: - There are two common types of plano lenses: - **Plano-Convex Lens**: One side is flat (plane) and the other side is convex (curved outward). - **Plano-Concave Lens**: One side is flat (plane) and the other side is concave (curved inward). 3. **Analyzing the Options**: - The options provided are oval, spherical, rectangular, and triangular. - Since the curved surface of a plano lens is derived from a section of a sphere, it can be classified as spherical. 4. **Conclusion**: - Therefore, the correct answer to fill in the blank is "spherical". The complete statement would be: "A plano lens has one surface spherical and the other surface plane." ### Final Answer: A plano lens has one surface **spherical** and the other surface plane. ---

To solve the question regarding the characteristics of a plano lens, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Definition of a Plano Lens**: - A plano lens is defined as a lens that has one flat (plane) surface and one curved surface. 2. **Identifying the Types of Plano Lenses**: ...
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