Advertisements
Advertisements
प्रश्न
State the formula for calculating the least count of screw.
Advertisements
उत्तर
Least count of screw
= `"Pitch"/"Number of circular scale divisions"`
E.g. If pitch of screw is 1 mm and there are 100 divisions on the circular scales, then
Least count = `(1 "mm")/100` = 0.01 mm
L.C. = 0.01 mm or 0.001 cm
APPEARS IN
संबंधित प्रश्न
The wavelength of light is 589 nm. what is its wavelength in Å?
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?
Baseline
The Wavelength of a particular colour is 5400Å. Express it in nanometer and metre.
What is the backlash error?
What is the least count in the case of the following instrument?
Stopwatch
What is the least count in the case of the following instrument?
Spring balance
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
