Inventions Quiz App Download | Electrophotograph Quiz e-Book PDF | 44
Inventions MCQs (Grade 8) From Textbook

Inventions MCQs – Certification Test 44

Electrophotograph Quiz (Question 44) – App & e-Book Download

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MCQ 44: Electro photograph copy machine was invented by:

  1. Sir Ernest Lawrence
  2. Sir Chester Carlson
  3. Sir Gideon Sundback
  4. Sir Narinder Singh Kapany
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8th Class Science Test Questions

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