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

  • question_answer
    Does critical angle depend on colour of light? Explain.                                                    

    Answer:

                     Yes. As \[\sin {{i}_{c}}=1/\mu \]i.e., \[{{i}_{c}}\]depends on \[\mu \], but \[\mu \] depends on wavelength \[\lambda \]. Hence \[{{i}_{c}}\] depends on colour of light.


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