 Units and Measurements
3 years ago
thephysicsgrove
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Practice 15 QuestionsShow answers
• Question 1
30 seconds
Q. What is the Standard International unit for mass?
kg
g
mg
Mg
• Question 2
30 seconds
Q. What is the Standard International unit for time?
second
minute
hour
day
• Question 3
30 seconds Q. The micrometer screw gauge is completely closed. What is the zero error?
+ 0.04 mm
- 0.04 mm
+ 0.46 mm
- 0.46 mm
• Question 4
30 seconds Q. The Vernier callipers are completely closed. What is the zero error?
+ 0.05 cm
+ 0.05 mm
- 0.05 cm
-0.05 mm
• Question 5
30 seconds
Q. What is the definition of the period of a pendulum?
one oscillation
the time taken for one oscillation
the time for one swing back and forth
swing from A to B to A
• Question 6
30 seconds
Q. What is the only thing that increases the period of a pendulum?
increase the length of the pendulum
decrease the length of the pendulum
increase the weight of the pendulum bulb
decrease the weight of the pendulum bulb
• Question 7
30 seconds
Q. What is the correct way to read a reading on a ruler?
perpendicular to the surface of the ruler
45 degrees to the surface of the ruler
parallel to the surface of the ruler
at any angle I want
• Question 8
30 seconds 7.22 cm
7.72 cm
7.22 mm
7.72 mm
• Question 9
30 seconds Q. The micrometer screw gauge is completely closed. What is the zero error?
+0.02 mm
+0.2 mm
-0.02 mm
-0.2 mm
• Question 10
30 seconds Q. This set of Vernier callipers has a zero error of -0.03 cm. What is the actual measurement?
5.34 cm
5.37 cm
5.40 cm
5.44 cm
• Question 11
30 seconds
Q. What is the equivalent of 9000 μm?
9 cm
0.009 m
0.009 mm
9000 Gm
• Question 12
30 seconds
Q. What is the standard form of 90,000?
90 x 103
9 x 104
90,000
ninety thousand
• Question 13
30 seconds
Q. What is the approximate number of people on planet earth?
7 x 103
7 x 106
7 x 109
7 x 1012
• Question 14
30 seconds
Q. Which is a base quantity?
length
density
area
speed
• Question 15
30 seconds
Q. What is NOT one of the steps for getting the accurate period of a pendulum?