A convex lens of radii of curvature 20 cm and 30 cm respectively. It is silvered at the…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A convex lens of radii of curvature 20 cm and 30 cm respectively. It is silvered at the surface which has smaller radius of curvature. Then it will behave as (μg = 1.5)
- concave mirror with equivalent focal length
cm. - concave mirror with equivalent focal length
cm. - convex mirror with equivalent focal length cm.
- convex mirror with equivalent focal length cm.
Answer
(B) concave mirror with equivalent focal length cm.
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