A spot is made on the bottom of a transparent slab of material of refractive index 1.5. the spot is viewed vertically from the top and it seems to be raised by 2 cm. then the height of the slab is
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The height of the slab is 6 cm.
Explanation:
Given data:
- Refractive index of the material = 1.5
- Raised height = 2 cm
Solution:
d (apparent) = d (actual) / μ
d (actual) = t
d (apparent) = t - 2
t - 2 = t / μ
t-2 = t / 1.5
=> t = 6 cm
Thus the height of the slab is 6 cm.
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