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प्रश्न
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उत्तर
Two limitations of metre rule
(a). There comes an error of parallax due to the thickness of the metre rule.
(b). We cannot use metre rule for measuring small thickness.
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संबंधित प्रश्न
Define the least count of vernier callipers. How do you determine it?
Define the term pitch.
What do you understand by the term zero error?
Figure shows a screw gauge in which circular scale has 100 divisions. Calculate the least count and the diameter of a wire.
A micrometre screw gauge has a negative zero error of 7 divisions. While measuring the diameter of a wire the reading on the main scale is 2 divisions and 79th circular scale division coincides with baseline.
If the number of divisions on the main scale is 10 to a centimetre and circular scale has 100 divisions, calculate
- pitch
- observed diameter
- least count
- corrected diameter.
What do you understand by the following term as applied to micrometre screw gauge?
Thimble
Find the volume of a book of length 25 cm, breadth 18 cm and height 2 cm in m3.
Name the measuring employed to measure the thickness of a paper.
Define the least count of an instrument.
