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KhushburaniSilver

Asked: December 18, 20222022-12-18T12:12:30+05:30 2022-12-18T12:12:30+05:30In: 12th Physics Question Bank (2009-17)

The focal length of a lens μ= 1.5 in air is 20 cm. Its focal length in medium of refractive index 1.5 is:

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