Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Introduction to Everyday ScienceImportant Scientific Instruments
What is the purpose of a Scotograph?
- A.To record brain activity
- B.To measure wind speed
- C.To detect earthquakes
- D.To aid the blind to writeCorrect answer
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Practice these MCQs in the appQuick fact: A Scotograph is an instrument used to aid the blind to write by guiding their hand along a straight line on paper.