Inventions MCQs – Certification Test 163

Photophone MCQ (Question 163) – App & e-Book Download

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MCQ: 163

Photo phone was discovered by

Sir Frances Gabe
Sir George Beers
Sir Alexander Graham Bell
Sir Louis Pasteur

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Free Photophone Practice App – Download for Android & iOS

The App: Photophone MCQ App to learn Photophone Notes, General Knowledge MCQ App, and Applied Anthropology MCQ App. The "Photophone MCQ" App – Download Free General Knowledge App (iOS & Android) for online classes. Download App Store & Play Store Learning Apps with all functionalities for online school classes.