16. Describe how would you determine the apparent
thickness of a block of glass.
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Answered by
1
Answer:
A man places a rectangular glass slab of thickness 9 cm on a newspaper. On the top of glass slab he places a glass beaker of negligible wall thickness containing water up to a height of 6 cm. If refractive index of glass is 1.5 and refractive index of water is (4/3), what is the apparent depth of the newspaper?
Answered by
0
Answer:
Solution
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We use
μ=
Apparent depth
Real depth/thickness of theobject
Due to refraction at two boundaries, the apparent depth of the newspaper will be
Apparent depth=
μ
glass
Thickness of the glass
+
μ
water
Thickness of the water
=
1.5
9
+
1.3
6
=6+4.6
=10.6 cm
Apparent depth of newspaper is 10.6 cm.
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