JEE Main 2022 Physics question
A parallel beam of light is allowed to fall on a transparent spherical globe of diameter 30 cm and refractive index 1.5. The distance from the centre of the globe at which the beam of light can converge is mm.
Answer: 225
Solution
First refraction at the front surface (R = 15 cm): − 1)/15, so cm from the front surface. This image is 15 cm beyond the back surface, i.e. a virtual object for the
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