Physics-
General
Easy

Question

A glass shere of radius 2R and refractive index ‘n’ has a spherical. When viewer is on left side of the hollow sphere, what will be the shift in position of the object?

  1. fraction numerator left parenthesis n plus 1 right parenthesis over denominator left parenthesis n minus 1 right parenthesis end fraction R comma text  left end text    
  2. fraction numerator left parenthesis n minus 1 right parenthesis over denominator left parenthesis n plus 1 right parenthesis end fraction R comma text  right end text    
  3. fraction numerator left parenthesis 2 n minus 1 right parenthesis over denominator left parenthesis 2 n plus 1 right parenthesis end fraction R comma text  left end text    
  4. fraction numerator 2 open parentheses n minus 1 close parentheses over denominator open parentheses n plus 1 close parentheses end fraction R subscript comma end subscript text left end text    

The correct answer is: fraction numerator left parenthesis n minus 1 right parenthesis over denominator left parenthesis n plus 1 right parenthesis end fraction R comma text  right end text

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