A) \[48{}^\circ C\]
B) \[36{}^\circ C\]
C) \[24{}^\circ C\]
D) \[18{}^\circ C\]
Correct Answer: B
Solution :
In the minimum deviation position the angle of deviation is given as \[\delta =2i-A\] (Where A is angle of prism since prism is a equilateral triangle hence, \[A={{60}^{o}}.\] Given\[i={{48}^{o}}\]) Now, putting the given values Eq. (i) \[\delta =2\times {{48}^{o}}-{{60}^{o}}\] \[={{96}^{o}}-{{60}^{o}}\] \[={{36}^{o}}\]
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