Light is the symbol of positivity, prosperity, enlightenment, wisdom and so many other positive factors. Light is used both physically and philosophically. Have you thought any day that if there would not have been light in the earth how we could have survived? The answer is - Life cannot survive without light. However in modern times light sources are used to create beautiful effect to see, enjoy and to be illuminated.
A few Interesting points about Light -
1. Lighting is the deliberate application of light to achieve some aesthetic or practical effect. It includes both daylight and Artificial light.
2. Light travels approximately 300,000 kilometers per second in a vacuum.
3. The term 'Optics' means study of light and it is an important research area in modern physics.
4. Light is measured with two main sets of units - radiometry and photometry.
5. The International Dark-sky Association (IDA) defines Light pollution as any adverse effect of artificial light including sky glow, glare, light trespass, light clutter, decreased visibility at night and energy waste.
Light is a wonderful source to create a beautiful scene which can provide real fun and entertainment.
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