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Physics Online
Physics Online - A level
A selection of videos aimed at post 16 physics students.
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A level physics practical - standing waves on a string (Melde's apparatus)
This video demonstrates how standing waves on a string can be produced by using a signal generator and vibration generator (Melde’s apparatus).
Both nodes (zero displacement) and anti-nodes (maximum displacement) are created at different frequencies. The distance between nodes is given as 1/...
Quantities and units
This short video explains the importance of being aware of symbols for quantities (both scalar and vector) and units. Physics uses letters from our alphabet (both upper and lowercase letter) and from other alphabets (e.g., λ, lambda and θ, theta).
Resolving vectors
This video explains how horizontal (x) and vertical (y) components of a vector (resultant) can be obtained by constructing a right-angled triangle and using trigonometry. Two examples are given.
1. A plane flying N-E (60⁰ from north) at 50m/s.
The horizontal component = 50cos30⁰
The vertical...
Speed, velocity and acceleration
This video links well to the Scalars and vectors resource. It explains the difference between speed and velocity in more detail by introducing velocity as the rate of change of displacement (as opposed to distance).
The equation v = s/...
Pages
| Subject(s) | Science, Physics |
|---|---|
| Age | 16-19 |
| Published | 2010 to 2019 |
| Published by | |
| Direct URL | https://www-preprod.stem.org.uk/cxexyo |
