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Thursday, May 30, 2019

Hello again!

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Hello everyone! I've been away for a long time and I am glad to say I've graduated! I will be pursuing engineering soon. In the me...
Saturday, September 17, 2016

3.6 Use the relationship between frequency and time period

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Frequency = 1 / period Period = 1 / frequency Frequency in Hz (hertz) Period in s (seconds)

3.5 Know and use the relationship between the speed, frequency and wavelength of a wave:

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Speed = frequency x wavelength V = f x  λ Speed in m/s Frequency in Hz Wavelength in m
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3.4 Understand that waves transfer energy and information without transferring matter

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As it says, waves transfer energy and information, but not matter.  For example, when your radio picks up radio waves, it doesn't gain...

3.3 Define amplitude, frequency, wavelength and period of a wave

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Amplitude (meters) The distance between the top of a crest (or lowest point of trough) and the point of equilibrium (below it says 'ori...

3.2 Understand the difference between longitudinal and transverse waves and describe experiments to show longitudinal and transverse waves in, for example, ropes, springs and water

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Longitudinal A longitudinal wave is one whose energy propagation is parallel to oscillation (vibration). Examples include a sound and p wav...
Friday, September 16, 2016

3.1 Use the following units: degree (°), hertz (Hz), metre (m), metre/second (m/s), second (s).

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         unit                                    use ° -  degree                                 temperature Hz - hertz                  ...
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