Question:
1 The dispersive powers of crown and filint glasses are 0 02
Last updated: 6/24/2023
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1 The dispersive powers of crown and filint glasses are 0 02 and 0 04 respectively In an achromatic combination of lenses the focal length of flint glass lens is 40 cm The focal length of crown glass lens will be a 20cm c 10cm b 20cm d 10cm