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The focal lengths of a thin lens for red...

The focal lengths of a thin lens for red and violet light are 90.0 cm and 86.4cm respectively. Find the dispersive power of the material of the lens. Make appropriate assumptions.

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To find the dispersive power of the material of the lens, we will follow these steps: ### Step 1: Identify the given values - Focal length for red light (Fr) = 90.0 cm - Focal length for violet light (Fv) = 86.4 cm ### Step 2: Calculate the focal length for yellow light (Fy) To find the focal length for yellow light, we can use the formula: ...
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