7. Two concave lens L, and L, are kept in contact witeach other. If th – InterviewSolution

1.	7. Two concave lens L, and L, are kept in contact witeach other. If the space between the two lens is filledwith a material of refractive index u 1, the magnitudeof the focal length of the combination
Answer» 7. Two concave lens L, and L, are kept in contact wit each other. If the space between the two lens is filled with a material of refractive index u 1, the magnitude of the focal length of the combination

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