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WAEC GCE Nov/Dec 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 332996

I. Diameter of a small ball bearing. II. Thickness of a pieces of paper. III....

Physics
JAMB 2009

I. Diameter of a small ball bearing.
II. Thickness of a pieces of paper.
III. Diameter of a measuring cylinder.
IV. Length of a piece of wire.
Which of the above can be measured using a micrometer screw gauge?
  • A. I, II and IV only .
  • B. I and II only
  • C. II and III only
  • D. III and IV only
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Correct Answer: Option B
Explanation
Of all the instruments used in measuring length,the micrometer screw gauge has the highest reading accuracy (0.01 mm), and is therefore used in measuring very small length such as diameter of a small ball bearing, and thickness of a piece of paper.

There is an explanation video available below.


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Explanation Video

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WAEC GCE Nov/Dec 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 332996
Join your school's WhatsApp group
Join your school's WhatsApp group
WAEC GCE Nov/Dec 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 332996
Myschool's prices for products & services are going up in November - Buy what you need now