A solid glass sphere of radius R ( μ = 1.5) is silvered over one hemisphere as shown in figure. A point object is placed at a distance 2R from the pole of unsilvered part. Position of final image from centre of sphere is -
A
At 
towards object
towards object
B
At 
towards pole of silvered side
towards pole of silvered side
C
At centre of sphere
D
At pole of silvered part
Text Solution
Verified by ExpertsThe correct answer is:
D
For refraction
– 
= 
⇒ v 1 = ∞ i.e. parallel beam
For Reflection
= 
⇒ v 2 = – R/2
For Final Refraction
= 
⇒ v 3 = – 2R i.e. at pole of silvered part
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