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Ray Optics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
Question
Two parallel pillars are 11 km away from an observer. The minimum distance between the pillars so that they can be seen separately will be(a) 3.2 m(b) 20.8 m(c) 91.5 m(d) 183 m
       
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Answer

(a) 3.2 m

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