A Physics Toolkit
Practice Test
1.
The multiplier for SI units with the prefix
deci
is __________.
a.
1/100
b.
1/10
c.
10
d.
100
Hint
2.
__________ describes how well the results of an experiment agree with the standard value.
a.
Parallax
b.
Accuracy
c.
Precision
d.
Significance
Hint
3.
According to Figure 1-16, if a mass of 45.0 g were hung on the spring, how long would the spring be?
a.
3.6 cm
b.
576 cm
c.
46.1 cm
d.
17.3 cm
Hint
4.
The point at which a line crosses the
y
-axis is the __________.
a.
y
-intercept
b.
parallax
c.
rise
d.
slope
Hint
5.
The valid digits in a measurement are called __________.
a.
significant digits
b.
uncertain digits
c.
powers of 10
d.
scientific notation
Hint
6.
What value is calculated by dividing rise by run?
a.
the slope of a straight line
b.
angular velocity
c.
length of a straight line
d.
acceleration of a moving object exhibiting uniform motion
Hint
7.
The apparent shift in the position of an object when it is viewed from different angles is caused by __________.
a.
parallax
b.
imprecise measurement
c.
inaccuracy
d.
faulty instruments
Hint
8.
__________ describes the degree of exactness in a measurement.
a.
Significance
b.
Parallax
c.
Accuracy
d.
Precision
Hint
9.
Combinations of SI base units are called __________.
a.
straight measurements
b.
base quantities
c.
dimensional analogs
d.
derived units
Hint
