The questions in this quiz are suitable for GCSE physics students studying longitudinal waves, transverse waves, electromagnetic waves, radio waves, microwaves, infrared and visible light and ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics ...

Another great option for writing math is darwis-mathlive-plugin. Most diagram types are rendered using the awesome kroki.io API. If you don't want to send your diagrams to a third party, there is the ...