Diagnostic Test - Gen. Physics
Quiz by Aurora Ramos
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- Q1
Rachelle bought a piece of land that has a length of 2 x102 meters and width of 7 x102 meters. What is the area of the land that Rachelle bought?
1. 4 x104 m2
1. 4 x103 m2
1.4 x105 m2
1. 4 x102 m2
15s - Q2
It is the process of associating numbers with physical quantities and phenomena.
Measurement
International Units of system
British System of Units
Accuracy and Precision
15s - Q3
Describe the position of the darts on the figure with regard to accuracy and precision.
High accuracy, low precision
High accuracy, high precision
Low accuracy, high precision
Low accuracy, low precision
15s - Q4
Evaluate: (4.5 x 107)(2.8 x 108)
1.26x1015
1.26 x 1016
12.6x1015
12.6x1016
15s - Q5
The volume of a liquid is 20.5ml. Which of the following sets of measurement the value with good accuracy?
19.3ml, 19.2 ml, 18.6 ml, 18.7 ml
20.2ml, 20.5 ml, 20.3 ml 20.1 ml
18.6ml, 17.6 ml, 19.6 ml, 17.2 ml
18.8ml, 19.0 ml, 19.2 ml, 18.8 ml
15s - Q6
How many significant digits in this number 27,210?
4
2
5
3
15s - Q7
Which group of measurements is most precise?
2.3x 10-2 kg, 2.31 x 102 kg, 2.29 x 1012 kg
1.23cm3, 2.21 cm3, 9.92 cm3
23.4 mm, 12.4 mm, 50.2 mm
0.005 g, 0.0049 g, 0.0051 g
15s
