2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-49

  • question_answer
    In the figure shown the angle made by the light ray with the normal in the medium of refractive index \[\sqrt{2}\] is-

    A) \[30{}^\circ \]                          

    B) \[60{}^\circ \]

    C) \[90{}^\circ \]                          

    D) none of these

    Correct Answer: A

    Solution :

    \[1\,\times \,\,sin\text{ }45\,\,=\,\,\sqrt{2}\text{ }sin\text{ }r\] \[\sin \,\,r\,\,=\,\,\frac{1}{\sqrt{2}}\,\,\Rightarrow \,\,r\,\,=\,\,30{}^\circ \]


You need to login to perform this action.
You will be redirected in 3 sec spinner