Introduction To Physics And Measurement - SS1 Physics Past Questions and Answers - page 3
What are Measurement Techniques? State and explain two basic Techniques.
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Explain with suitable examples what we mean by “Instruments”?
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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.
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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.
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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.
Digits are used to express the level of detail in a measurement.
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How many significant figures are in the number 0.00354?
2
3
4
5
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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.
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Which of the following measurements has the greatest precision?
12.345
12.350
12.400
12.500
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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.
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Which of the following numbers has three significant figures?
0.001
10.0
1000
0.010
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