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A converging beam of light is incident o...

A converging beam of light is incident on a concave lens of focal length 20 cm. In the absence of the lens, the beam converges at a point 10 m behind the lens. Find where the beam will converge/diverge after refraction.

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To solve the problem step by step, we will use the lens formula for thin lenses, which is given by: \[ \frac{1}{f} = \frac{1}{v} - \frac{1}{u} \] Where: - \( f \) is the focal length of the lens, ...
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