Physics Topic 1 - Visible Light and the Solar System

Mind Map by , created over 6 years ago

GCSE Physics Mind Map on Physics Topic 1 - Visible Light and the Solar System, created by lydia_ward on 04/13/2013.

Created by lydia_ward over 6 years ago
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Physics Topic 1 - Visible Light and the Solar System
1 Solar System
1.1 Facts about the Solar System.
1.1.1 Saturn has rings.
1.1.2 Pluto is now a Dwarf Planet.
1.1.3 Venus doesn't turn.
1.1.4 Mars has two moons.
1.2 The order of the Planets in the Geocentric Model.
1.2.1 Mercury Venus Earths Mars Jupiter Saturn
1.2.2 The Sun is in the centre of the Geocentric Model.
1.3 The order of the Planets in the Heliocentric Model.
1.3.1 Earth Mercury Venus Sun Mars Jupiter Saturn
1.3.2 The Earth is in the centre of the Heliocentric Model.
2 Waves
2.1 Wave Characteristics to know.
2.1.1 Wavelenght The Wavelenght of a wave is the distance from a point on one wave to the same point on the next wave, measured in meters.
2.1.2 Amplitude The Amplitude of a wave is the maximum distance of a point on the wave from its rest position, measured in metres.
2.1.3 Frequency Wave frequency is the number of waves passing a point each second. It is measured in hertz (Hz). A frequency of 1 Hz means 1 wave passing per second.
3 Telescopes
3.1 Reflecting Telescopes
3.1.1 A Reflecting Telescope uses a lens and two mirrors. Secondary Mirror Primary Mirror Eyepiece Lens
3.1.2 Reflecting Telescopes are a type of optical telescope that uses one or more mirrors to reflect light, forming an image.
3.1.3 As reflecting telescopes use mirrors, they are also called 'Catoptric Telescopes'.
3.2 Refracting Telescopes
3.2.1 A refracting telescope uses two lenses. The Eyepiece Lens This lens is placed at the 'Focal Point'. The Objective Lens The distance from the Focal Point to the Objective Lens is called the 'Focal Length'. This lens is also known as a 'Convex Lens'.
3.2.2 How they work In a refracting telescope, a convex lens (the objective lens) creates an image inside the tube and the eyepiece lens is used to magnify the image.
4 Lenses
4.1 Many optical devices use converging lenses t produce images that are magnified.
4.1.1 The magnification of converging lenses depends on how curved their surfaces are and how close together they are placed. Some images can be shown on a screen.
4.2 This is the different from a virtual image, like that seen in a mirror.
4.2.1 In a virtual image, the rays of light appear to come from an image but do not actually come from that image. A virtual image cannot be shown on a screen.

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