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प्रश्न
Draw a diagram of a prism and label:
(i) the base,
(ii) the refracting surfaces,
(iii) the refracting edge,
(iv) the refracting angle in it.
उत्तर
The figure shows a prism, in which BEFC is the refracting edge, and ∠BAC or ∠EDF is the refracting angle of the prism which has been marked by the symbol A.
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