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2 transparent slabs are of equal length .One is made of a material A of refractive index 1.5 & other of materials B & C , the ratio of thickness being 1:2.The R.I of C is 1.6. When light passes through them , the 2 slabs have the same no. of waves.The R.I of B is...R.I is refractive index.. ans. 1.3..plzz xplain


2 transparent slabs are of equal length .One is made of a material A of refractive index 1.5 & other of materials B & C , the ratio of thickness being 1:2.The R.I of C is 1.6. When light passes through them , the 2 slabs have the same no. of waves.The R.I of B is...R.I is refractive index..

ans. 1.3..plzz xplain

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