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A-rectangular-glass-block-n-1-52-is-placed-inside-a-clean-water-contained-in-a-basin-A-layer-of-oil-n-1-44-floats-on-the-water-surface-A-ray-of-light-from-air-strikes-the-oil-surface-at-an-an




Question Number 132252 by aurpeyz last updated on 12/Feb/21
  A rectangular glass block (n=1.52) is  placed inside a clean water contained   in a basin. A layer of oil (n=1.44) floats  on the water surface. A ray of light   from air strikes the oil surface at an  ange of incidence of 28^0 . Calculate the  angle of refraction at the water−glass  interface. (refractive index of air 1.00)
$$ \\ $$$$\mathrm{A}\:\mathrm{rectangular}\:\mathrm{glass}\:\mathrm{block}\:\left(\mathrm{n}=\mathrm{1}.\mathrm{52}\right)\:\mathrm{is} \\ $$$$\mathrm{pla}{c}\mathrm{ed}\:\mathrm{inside}\:\mathrm{a}\:\mathrm{clean}\:\mathrm{water}\:\mathrm{contained}\: \\ $$$$\mathrm{in}\:\mathrm{a}\:\mathrm{basin}.\:\mathrm{A}\:\mathrm{layer}\:\mathrm{of}\:\mathrm{oil}\:\left(\mathrm{n}=\mathrm{1}.\mathrm{44}\right)\:\mathrm{floats} \\ $$$$\mathrm{o}{n}\:\mathrm{the}\:\mathrm{water}\:\mathrm{surface}.\:\mathrm{A}\:\mathrm{ray}\:\mathrm{of}\:\mathrm{light}\: \\ $$$$\mathrm{from}\:\mathrm{air}\:\mathrm{strikes}\:\mathrm{the}\:\mathrm{oil}\:\mathrm{surface}\:\mathrm{at}\:\mathrm{an} \\ $$$$\mathrm{ange}\:\mathrm{of}\:\mathrm{incidence}\:\mathrm{of}\:\mathrm{28}^{\mathrm{0}} .\:\mathrm{Calculate}\:\mathrm{the} \\ $$$$\mathrm{a}{n}\mathrm{gle}\:\mathrm{of}\:\mathrm{refraction}\:\mathrm{at}\:\mathrm{the}\:\mathrm{water}−\mathrm{glass} \\ $$$$\mathrm{inte}{r}\mathrm{face}.\:\left(\mathrm{refractive}\:\mathrm{index}\:\mathrm{of}\:\mathrm{air}\:\mathrm{1}.\mathrm{00}\right) \\ $$
Commented by aurpeyz last updated on 12/Feb/21
Pls help
$${Pls}\:{help} \\ $$

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