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A ray of light falls on a transparent glass sphere of refractive index . The ray emerges from the sphere parallel to the line AB . So, =
detailed solution
Correct option is B
2r=60o r=30o μ=sin60osin30o=3Talk to our academic expert!
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A convex lens is at a distance of 10 cm from a convex mirror of focal length 10 cm as shown in figure. A beam of light parallel to the principal axis is incident on the tens. After refraction through the lens, reflection at the mirror and again refraction through the lens, the final emergent beam refraces the path of the incident beam then focal length of the lens is
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