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In partial reflection and refraction of light from surface of glass slab, if angle of incidence ◿ = 43° and angle of refraction ∠r = 25° , then the reflected ray and refracted ray are deviated from the incident ray by _________ and _________ respectively.

(1) 18° , 94° 

(2) 94° , 18° 

(3) 112° , 15° 

(4) 15° , 112°

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(2) 94° , 18°

x= 43 - 25 ×18 

y= 180 - 2× 43 

y =94 

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