Advertisements
Advertisements
प्रश्न
What do you understand by the following term as applied to screw gauge?
Zero error
Advertisements
उत्तर
Zero error: If the zero of the main scale does not coincide with zero of circular scale on bringing the screw end in contact with the stud, the screw gauge is said to have zero error.
APPEARS IN
संबंधित प्रश्न
The wavelength of light is 589 nm. what is its wavelength in Å?
Draw a neat and labelled diagram of a screw gauge.
Name its main parts and state their functions.
In the vernier callipers, there are 10 divisions on the vernier scale and 1 cm on the main scale is divided into 10 parts. While measuring the length, the zero of the vernier lies just ahead of the 1.8 cm mark and the 4th division of vernier coincides with a main scale division.
(a) Find the length.
(b) If zero error of vernier callipers is -0.02 cm,
What is the correct length ?
Why is the metre length in terms of the wavelength of light considered more accurate?
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.
What is the function of ratchet in the screw gauge?
Least count of a vernier caliper is ______ cm.
