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Evan Toh
Aug 311 min read
How to read the digital stopwatch
Depending on the experiment, the recording of measured time may be to the nearest 0.1 s or the nearest 1 s, even though a typical digital...
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Evan Toh
Aug 311 min read
Setting up a retort stand and pendulum experiment
In this post, we will be going to the basics of setting up the retort stand and pendulum experiment. Most probably, this will be the...
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Evan Toh
Jan 11 min read
Scalar and Vector Quantities
Scalar quantity is a quantity with magnitude but no direction. Vector quantity is a quantity with both magnitude and direction .
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Evan Toh
Jan 11 min read
Common SI prefixes
Physical Quantity is a quantity that can be measured and it consists of a numerical magnitude (size) and a unit . (e.g. 5m where 5 is...
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Evan Toh
Jan 11 min read
Units conversion involving prefixes
Prefixes are used to simplify the writing of very big or very small numbers. For instance, instead of having to write 12 500 000 m every...
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Evan Toh
Dec 31, 20231 min read
Vernier caliper and Micrometer screw gauge
Vernier caliper and micrometer screw gauge are used to measure length. Vernier caliper is used in general for measuring length...
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Evan Toh
Dec 31, 20231 min read
Prefixes
Prefixes are used to denote very large or small physical quantities . It is important that you know all these prefixes well.
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