Chapter 1

Quiz
•
Physics
•
University
•
Medium
NURUL ANIS ATHIRAH AB AZIZ
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the physical quantities?
- has direction
- something can be measured
- has a numerical value and a unit
- equation where each term has the same base units
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Unit derivation consists of...
some combination of the base units that may be multiplied together or divided by one another but never added or subtracted
some combination of the base units that may be added together or subtracted by one another but never multiplied or divided
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What is homogeneous equation?
Equation where each term has the same base units or balanced
Left hand side equation = Right hand side equation
Has magnitude and direction
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Uncertainty can be classes into...
systematic and random
scalar and vector
systematic and zero
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Examples of systematic error?
reaction time
zero error
wrongly calibrated scale
random error
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Example of random errors?
The scale reading is not zero before measurements are taken
Reading a scale from different angles, so introducing a variable parallax error
When timings are carried out manually, it must be accepted that there will be a delay between the experimenter observing the event and starting the timing device
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Accuracy refers to the closeness of a measured value to the ‘true value’ or ‘known value’.
In which.....
Depends on the equipment used, the skill of the experimenter and the techniques used.
The experimenter may choose different measuring instruments and may use them with different levels of skill, thus affecting the precision of measurement.
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