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प्रश्न
What is the least count in the case of the following instrument?
Stopwatch
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उत्तर
The least count of the following is
Stopwatch= 0.1 s
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संबंधित प्रश्न
Draw a neat and labelled diagram of a vernier callipers. Name its main parts and state their functions.
Name the two scales of a vernier callipers and explain how it is used to measure length correct up to 0.01 cm.
Name the part of the vernier callipers which is used to measure the following
Depth of a small bottle
Which of the following measures a small length to high accuracy : metre rule , vernier callipers or screw gauge?
In a vernier callipers, 19 main scale divisions coincide with 20 vernier scale divisions. If the main scale has 20 divisions in a centimetre, calculate
- pitch
- L.C. of vernier callipers.
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.
The Wavelength of a particular colour is 5400Å. Express it in nanometer and metre.
The precision of vernier calipers is ______ mm.
On a vernier calliper, 25 vernier scale divisions are equal in length to 24 main scale divisions. One main scale division is 1 mm. Find the least count of the instrument.
