Investigating light
What is the fastest way to travel through the universe?
1. light
What is light speed?
2. The speed that lights travel at 300000km/sec
Define optical science?
3. Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultraviolet, and infrared light. Because light is an electromagnetic wave, other forms of electromagnetic radiation such as X-rays, microwaves, and radio waves exhibit similar properties.
What is fibre optics?
4. the use of thin flexible fibres of glass or other transparent solids to transmit light signals, chiefly for telecommunications or for internal inspection of the body.
Name three instruments that help us see very small objects or objects far away.
1. Telescope.
2. Magnifier glass.
3. Microscope.
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