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12th Class Physics Ray Optics Question Bank Ray Optics Conceptual Problems

  • question_answer
    If a plane glass slab is placed on letters of different colours, then red coloured letters appear more raised up. Why?                 The apparent shift caused by a slab of thickness \['t'\] is given by \[d=t\left( 1-\frac{1}{\mu } \right)\] As refractive index of glass is maximum for red light, so red coloured letters are more raised up.

    Answer:



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