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Electromagnetic Spectrum. Different Types of Light  Light is a form of energy  It travels in waves  Also called Electromagnetic Radiation  Some Electromagnetic.

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Presentation on theme: "Electromagnetic Spectrum. Different Types of Light  Light is a form of energy  It travels in waves  Also called Electromagnetic Radiation  Some Electromagnetic."— Presentation transcript:

1 Electromagnetic Spectrum

2 Different Types of Light  Light is a form of energy  It travels in waves  Also called Electromagnetic Radiation  Some Electromagnetic Radiation we can see (Visible Light), but most we cannot (Radio, Microwave, Infrared, Ultraviolet, X-Ray and Gamma Rays)

3

4

5 Spectral Lines  http://www.youtube.com/watch?v=l4yg4 HTm3uk&feature=related http://www.youtube.com/watch?v=l4yg4 HTm3uk&feature=related

6 Spectral Lines  White light can be broken into all the colours in the visible spectrum

7 Spectral Lines  When we look at the spectrum of stars, there are parts of the spectrum missing.  These parts are missing because of the gasses present  These gases absorb specific spectrum of light

8 Spectral Lines of Gases

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