A normally incident ray reflected at an angle of . The value of critical angle is |
|||||||

a) |
b) |
c) |
d) |

A normally incident ray reflected at an angle of . The value of critical angle is |
|||||||

a) |
b) |
c) |
d) |

1 Answer

127 votes

Critical angle is equal to incident angle if ray reflected normally |

127 votes

127