Question
Download Solution PDFThe centre of the reflecting surface of a spherical mirror is a point called the _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is pole
Key Points
- A curved surface whose reflecting surface is a cut part of a hollow glass sphere is called a spherical mirror.
- Two types of spherical mirrors are Concave mirrors and Convex mirrors.
- A spherical mirror whose outer surface is reflecting and the inner surface is polished, is called a convex mirror.
- A spherical mirror whose reflecting surface is inwards and whose outer surface is polished is called a concave mirror.
- Pole is the central point of the reflecting surface of the mirror. Hence option 1 is correct.
Additional Information
- The aperture is the diameter of the reflecting surface of a spherical mirror.
- The radius of curvature is the radius of a sphere of which the mirror is a part.
- Focal length is the distance between the principal focus and the pole of the mirror.
- The concave mirror is called a converging mirror and the convex mirror is called a diverging mirror.
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