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The Earth's atmosphere scatters incoming light from the sun. This incoming light is made up of lots of different colours. Each colour of light has a different wavelength and because of this, different col...

α - Emission of a Helium nucleus, it has the highest mass and lowest energy of the three types of radiation, it has a +2 overall charge due to its 2 neutron - 2 proton makeup, and...

So, let's think of a vector as an 'instruction' - a guide telling us to move in a specific direction for a certain distance. (Draw arbitrary vector A here). This is not the only way to move this distance ...

In our situation, the stopping potential doesn’t let any electron to pass. When we increase the frequency of incident light, the electrons get more energy. We know it from equation E=hf. When electrons ga...

Convection is transfer of energy through movement of liquid particles. Let us take some steps back and revise a number of principles. First of all, you should remember the concept of density. If two parts...