Question

what would be the refractive index of a glass slab with thickness 2.5 cm and vertical shift of 1 cm​

Answer 1

Answer:

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Answer 2

Given that,

The thickness of the glass slab is 2.5 cm, and the vertical shift is 1 cm.

So, the real depth of the glass slab is 2.5 cm.

Now,

We need to find the refractive index of the glass slab.

Answer :-

We know that, real depth = apparent depth - vertical shift.

⇒2.5 = apparent depth - 1

⇒Apparent depth = 2.5 + 1

⇒Apparent depth = 3.5

Now, Refractive Index (R.I) = Real depth/Apparent depth

⇒R.I = 2.5/3.5

⇒R.I = 25/35

⇒R.I = 5/7