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Munaf Sama
Asked: 2022-11-07T19:14:13+05:30 In:

A rays of light travel frons A to B , where the geometrical distance AB=8cm in air.
It passes through two transparent media havin `n_1=1.5 and n_2=1.75` as shown in the figure .
What is the optical path between A and B ?
image
A. 8 cm
B. 5 cm
C. 10 cm
D. 15 cm

A rays of light travel frons A to B , where the geometrical distance AB=8cm in air.
It passes through two transparent media havin `n_1=1.5 and n_2=1.75` as shown in the figure .
What is the optical path between A and B ?
image
A. 8 cm
B. 5 cm
C. 10 cm
D. 15 cm
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1 Answer

  1. Correct Answer – C
    Optical path `= nxx t `
    `:.` Optical path `= 1.5 xx 1+ 1.75 xx 2+5 xx 1=10` cm

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