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10.Two point light sources are 24cm apart. Where should a convex lens of focal length 9cm be put in between them from one source so that the images of both sources are formed at the same place? A) 6cm B) 9cm C) 12cm D) 15cm |
| Answer» 10.Two point light sources are 24cm apart. Where should a convex lens of focal length 9cm be put in between them from one source so that the images of both sources are formed at the same place? A) 6cm B) 9cm C) 12cm D) 15cm | |