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A thin layer of colourless oil on water surface looks to be coloured in the sun light, why? No spamming !!!!!!!!!!!!!!!!!!!!!!!! |
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Answer» thin LAYER of oil looks to be coloured due to❝ ❞. When SUN LIGHT falls on the layer of oil, it is reflected from both the upper layer and lower layer of surface. ➮The path difference between the two reflected rays is given by , ➭ 2μt cosθ ➮where, u= t= θ = If , p ➭n (λ/ 2)➮Where, ➭ ➋,➍ ,➏ , ... then layer will APPEAR dark .and ,if ➭ ➊,❸, ❺,➐ , .. the layer will appear bright. ❝The colours present in the reflected light will depend on the .❞ |
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