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Question

From a point source a light falls on a spherical glass surface (μ=1.5andradiusofcurvature=10cm). The distance between point source and glass surface is 50 cm . The position of image is

A
25 cm
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B
50 cm
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C
100 cm
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D
150 cm
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Solution

The correct option is A 50 cm
Using, μ2vμ1u=μ2μ1R
Here, μ1=1,μ2=1.5,u=50cm
1.5v150=1.5110;1.5v=0.050.02=0.03
v=50cm

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