Question:
A small object is placed 20 cm in front of a cube of glass
Last updated: 5/30/2023
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A small object is placed 20 cm in front of a cube of glass of 10 cm edge and its farther side is silvered The image is formed 22 cm behind the silver face The refractive index of the glass cube is 1 1 22 3 1 67 2 1 42 4 1 72