Introduction To Physics And Measurement - SS1 Physics Past Questions and Answers - page 3
What are Measurement Techniques? State and explain two basic Techniques. Â
Explain with suitable examples what we mean by “Instruments”?
Accuracy refers to:
How close a measured value is to the true value.
The level of detail in a measurement.
The degree of consistency in repeated measurements.
The total number of digits in a measurement.
Precision refers to:
How close a measured value is to the true value.
The level of detail in a measurement.
The degree of consistency in repeated measurements.
The total number of digits in a measurement.
Significant figures are:
Digits are used to express the precision of a measurement.
Digits are used to express the accuracy of a measurement.
Digits are used to express the total number of measurements taken.
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Digits are used to express the level of detail in a measurement.
How many significant figures are in the number 0.00354?
2
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3
4
5
When multiplying or dividing numbers, the final result should be rounded to the:
The fewest number of decimal places.
The fewest number of significant figures.
Most number of decimal places.
Most significant figures.
Which of the following measurements has the greatest precision?
12.345
12.350
12.400
12.500
When adding or subtracting numbers, the final result should be rounded to the:
Fewest number of decimal places.
Fewest numThe fewest significant figures.
Most number of decimal places.
Most significant figures.
Which of the following numbers has three significant figures?
0.001
10.0
1000
Â
0.010
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