Advertisements
Advertisements
Question
What do you understand by the following term as applied to micrometre screw gauge?
Thimble scale
Advertisements
Solution
It is also known as a circular scale. A scale marked on the tapered end of a hollow cylinder, which can move over the sleeve cylinder, is known as a thimble scale.
APPEARS IN
RELATED QUESTIONS
The wavelength of light of a particular colour is 5800 Å.
Express it in nanometre.
The pitch of a screw gauge is 1 mm and the circular scale has 100 divisions. In measurement of the diameter of a wire, the main scale reads 2 mm and 45th mark on the circular scale coincides with the base line. Find
(i) The least count and
(ii) The diameter of the wire.
A pendulum completes 2 oscillations in 5 s. What is its time period? If g = 9.8 m s-2, find its length.
Why is the metre length in terms of the wavelength of light considered more accurate?
State the formula for calculating length if:
The reading of the main scale is known and the number of vernier scale divisions coinciding with the main scale is known.
What do you understand by the following term as applied to screw gauge?
Negative zero error
State whether the following statement is true or false by writing T/F against it.
The ratchet of a screw gauge is used to measure the depth of a beaker.
What is the least count in the case of the following instrument?
Metre scale
How will you measure the least count of vernier caliper?
The precision of vernier calipers is ______ mm.
