ifos • paper_1 • waves_oscillations
[UPSC IFoS 2023] Polarisation and Modern Optics (Q332, 8M)
A length of 25 cm of a solution containing 50 gm of solute per litre causes a rotation of the plane of polarization of light by 5^\circ. Find the rotation of the plane of polarization by a length of 75 cm of the solution containing 100 gm of solute per litre.
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