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प्रश्न
Define the least count of an instrument.
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उत्तर
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संबंधित प्रश्न
The size of bacteria is 1 µ. Find the number of bacteria present in 1 m length.
Name the instrument which has the least count
0.1 mm
State the formula for determining least count for a vernier callipers.
A micrometre screw gauge has a positive zero error of 7 divisions, such that its main scale is marked in 1/2 mm and the circular scale has 100 divisions. The spindle of the screw advances by 1 division complete rotation.
If this screw gauge reading is 9 divisions on the main scale and 67 divisions on the circular scale for the diameter of a thin wire, calculate
- Pitch
- L.C.
- Observed diameter
- Corrected diameter
What do you understand by the following term as applied to screw gauge?
Negative zero error
Find the volume of a book of length 25 cm, breadth 18 cm and height 2 cm in m3.
In the following figure, the pitch of the screw is 1 mm. Calculate:
(i) the least count of screw gauge and
(ii) the reading represented in the figure.
Name the measuring employed to measure the diameter of a pencil.
