Question:
Focal length of converging combination of two ler is 20 cm
Last updated: 6/26/2023
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Focal length of converging combination of two ler is 20 cm The ratio of dispersive power is 2 One of the focal length will be 1 6 cm 2 10 cm 3 15 cm 4 20 cm
Last updated: 6/26/2023
Focal length of converging combination of two ler is 20 cm The ratio of dispersive power is 2 One of the focal length will be 1 6 cm 2 10 cm 3 15 cm 4 20 cm