The dispersive power of a medium is |
|||

(a) |
The greatest for red light |
(b) |
The least for red light |

(c) |
The least for yellow light |
(d) |
The same for all colours |

The dispersive power of a medium is |
|||

(a) |
The greatest for red light |
(b) |
The least for red light |

(c) |
The least for yellow light |
(d) |
The same for all colours |

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