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Spectograph e-Book PDF | Inventions Learning App Download

Inventions Study Material: Certification Test 327

Spectograph MCQ App Download & e-Book - 327

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MCQ: 327

Which one of the following received a patent for the far ultraviolet camera?

  1. Sir Walter Wingfield
  2. Sir George Carruthers
  3. Sir Walter Brattain
  4. Sir T.J Blachut

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Spectograph Study Material: Inventions App & eBook MCQ

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Spectograph MCQ App (iOS & Android)

Spectograph MCQ App

General Knowledge MCQ App (Android & iOS)

General Knowledge MCQ App

Global Warming MCQ App (Android & iOS)

Global Warming MCQ App

Basic Computer Knowledge MCQ App (Android & iOS)

Basic Computer Knowledge MCQ App