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Grade 12Wave Optics

Doubt of ray optics .A glass slab with n=1.5 of thickness 3 cm is placed on ink spot . A person looks at it from a distance of 5 cm above the ink spot . The distance of spot will appear to be

KURUP ANJANA

7 Years agoGrade 12

1 Answer

Eshan

7 Years ago

Dear student,
Apparent depth of the ink spot when seen from above= $\dfrac{3cm}{1.5}=2cm$
Hence the distance of spot when seen from a height of 5cm is $5cm+2cm=7cm$

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