General Knowledge Practice Test 76
Eyeglasses Invention Multiple Choice Questions (MCQs) PDF Download - 76
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The Eyeglasses Invention MCQ with Answers PDF (Eyeglasses Invention Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 14-76 to learn general knowledge online courses. Solve Technology Inventions Test PDF, Eyeglasses Invention Multiple Choice Questions (MCQ Quiz) for grad school interview questions. The Eyeglasses Invention MCQ App Download: Free certification app for black hole facts, world wildlife fund, venus facts, dc motor, eyeglasses invention test prep for master degree entrance exam.
The MCQ Quiz: Eyeglasses are invented in; "Eyeglasses Invention" App (Play Store & App Store) with answers: 1286; 1288; 1282; 1284; for grad school interview questions. Study technology inventions questions and answers, Apple Book to download free sample for job placement test.
Eyeglasses Invention MCQ Quiz with Answers PDF Download: Test 76
Eyeglasses are invented in
- 1288
- 1286
- 1282
- 1284
First electric 'DC' motor was invented by
- Frank Julian Sprague
- Fran?ois Isaac de Rivaz
- George Stephenson
- Percy Spencer
The planet which is known as 'Earth's Sister' is
- Venus
- Mars
- Mercury
- Earth
The founder of World Wildlife Fund was
- William Randal Cremer
- Farifield Osborn
- Ludvik Rajchman
- Anthony Lake
A region in the black hole of infinite space-time is classified as
- gravitational singularity
- gravitational plurality
- gravitational momentum
- magnetic plurality
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