A lens made from a material of refractive index 1.5 behaves as a converging lens in air. When pl...

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A lens made from a material of refractive index 1.5 behaves as a converging lens in air. When placed in liquid of refractive index \( 8 / 5 \), it will:
(a) Still behave as a converging lens
(b) Behave as a diverging lens
(c) Have its focal length increased
(d) Have its focal length decreased
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