Advertisements
Advertisements
प्रश्न
'Each measuring instrument has a limit of accuracy'. Comment on the statement.
टिप्पणी लिखिए
उत्तर
Accuracy is the extent to which a reported measurement approaches the true value of the quantity measured. This extent is usually described by the least count of the instrument and since the least count for a given instrument is limited hence, the accuracy of the instrument is limited.
shaalaa.com
Vernier Callipers
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
The size of bacteria is 1 µ. Find the number of bacteria present in 1 m length.
Name the instrument which has the least count
0.1 mm
Define metre in terms of the wavelength of light.
When does a vernier callipers has the positive error?
How do you account for positive zero error for calculating the correct diameter of wires?
Name the two scales of a screw gauge.
What do you mean by a negative zero error of a screw gauge? How will you calculate it?
State whether the following statement is true or false by writing T/F against it.
The least count of a screw gauge can be lowered by increasing the number of divisions on its thimble.
What is the importance of a vernier scale?
A screw thread has 20 threads in 1 cm and its circular scale has 50 divisions. Calculate its pitch and least count.
