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A parallel beam of light falls on a convex lens .images of blue yellow and red are formed by lens at 0.20m 0.205m 0.214 m what is dispersive power of lens |
| Answer» A parallel beam of light falls on a convex lens .images of blue yellow and red are formed by lens at 0.20m 0.205m 0.214 m what is dispersive power of lens | |