Advertisements
Advertisements
प्रश्न
When does a vernier callipers has the negative error?
Advertisements
उत्तर
Negative Error: If the zero of the vernier scale is on the left-hand side of zero of the main scale, the error is said to be negative and the correction is said to be positive.

APPEARS IN
संबंधित प्रश्न
Name the two scales of a vernier callipers and explain how it is used to measure length correct up to 0.01 cm.
Which of the following measures a small length to high accuracy : metre rule , vernier callipers or screw gauge?
In figure for vernier callipers, calculate the length recorded.

What is the need for measuring length with vernier callipers?
State the formula for calculating length if:
Number of vernier scale division coinciding with the main scale and number of division of main scale on the left-hand side of zero of vernier scale is known.
State the correction if the positive error is 7 divisions when the least count is 0.01 cm.
What do you understand by the term least count of screw?
State whether the following statement is true or false by writing T/F against it.
The metre scale, vernier calipers, and screw gauge are in decreasing order of least count.
What is the least count in the case of the following instrument?
Metre scale
The following diagrams (Fig. 5) show the use of a vernier caliper under three different situations. Study the diagrams carefully and note down the vernier readings in each case.

(a) Measuring the diameter of the rod

(b) Measuring Internal diameter of a cavity

(c) Measuring depth of a cavity
