A Periscope uses two plane mirrors one above the other at ____...? Mcqs

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💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

A Periscope uses two plane mirrors one above the other at ____...?

(A) 30°

(B) 45°

(C) 60°

(D) 90°

✅ Correct Answer: 45°

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Source: This question is taken from the Everyday Science

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