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If refractive index of small angled prism of 4° is 1.5 then what is the deviation of prism.​

1 Answer

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ans. = 2

we know that,

the formula for small angle deviation is

deviation = ( refractive index - 1)angle of the prism

putting values we get

= ( 1.5 -1 ) 4

= 0.5 x 4

= 2

Hence, the deviation of prism is 2

User Leonardo Guerreiro
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