Precision N Accurancy

Question 1

Refers to how close a measurement is to the true or accepted value

Answer 1

Accuracy

Question 2

Refers to how close measurements of the same item are to each other

Answer 2

Precision

Question 3

The smallest interval at which there is a change in the quantity that is being measured by an instrument

Answer 3

Least count

Question 4

The finest or most precise measurement that u can make with am instrument is dependent on the

Answer 4

Smallest marking

Question 5

Two types of errors

Answer 5

Random n systematic

Question 6

Deviations from the actual values

Answer 6

Error

Question 7

Devations from the true value that may happen from one measurement to another

Answer 7

Random error

Question 8

These errrors may occur because of environmental factors or variations in the procedure of collecting measurements

Answer 8

Random error

Question 9

Deviations from the true value that remain the same or repeat themselves

Answer 9

Systematic errors

Question 10

Have problems with instrument calibration

Answer 10

Sustematic error

Question 11

How close a number of measurements of the same quantity agree with each other

Answer 11

Precision

Question 12

Is limited by random errors. It may usually be determined by repeating the measurements

Answer 12

Precision

Question 13

Is often reduced by systematic errors, which are difficult to detect even for experienced research workers

Answer 13

Accuracy

Question 14

Physical quantity can be determined by

Answer 14

Range, variance and standard deviation