The power of given convex lens increases on account of the fact that fv < fr
Class 12 Physics
Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
How does the power of a convex lens vary, if the incident red light is replaced by violet light?
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The power of a convex lens increases when red light is replaced by violet light. This is because violet light has a shorter wavelength, resulting in greater refraction and a smaller focal length, thereby increasing the lens’s power.
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