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.If the mag. of dispersive power of two lenses are 0.024 and 0.036 . Then their focal lengths will be for abberation free combination.A. 30cm, -40cmB. 30cm, -45cmC. 10cm, 30cmD. 20cm, -35cm |
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Answer» .If the mag. of dispersive power of two lenses are 0.024 and 0.036 . Then their focal lengths will be for abberation free combination. A. 30cm, -40cm B. 30cm, -45cm C. 10cm, 30cm D. 20cm, -35cm |
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