Light
光 guāng
Light 光 guāng is a form of energy 能量 néng liàng.
It is also part of the spectrum/range of electromagnetic
waves 电磁波 diàn cí bō. As waves
波 bō, light have wavelengths 波长 bō cháng. The
wavelengths range from about 700nm (nanometer)
- that
we see as red
- to 400nm - that
we see as violet. This is the spectrum/range of colours
颜色 yán sè
we see in a rainbow 彩虹 cǎi
hóng. White light is actually the combination of all colours
颜色 yán sè of
the spectrum.
Light 光 guāng travels at a speed of 3 X 108 m/s - the same speed as the other electromagnetic waves 电磁波 diàn cí bō travel. Light 光 guāng can travel through vacuum 真空 zhēn kōng and hence, light from the Sun 太阳 tài yáng can get to Earth 地球 dì qiú.
Natural phenomena 自然现象 zì rán xiàn xiàng associated with light include:
o reflection
o refraction
o diffraction
o interference.
Note: Interestingly, many people say "I can see the light" to mean that they have understood something.
Light 光 guāng travels at a speed of 3 X 108 m/s - the same speed as the other electromagnetic waves 电磁波 diàn cí bō travel. Light 光 guāng can travel through vacuum 真空 zhēn kōng and hence, light from the Sun 太阳 tài yáng can get to Earth 地球 dì qiú.
Natural phenomena 自然现象 zì rán xiàn xiàng associated with light include:
o reflection
o refraction
o diffraction
o interference.
Note: Interestingly, many people say "I can see the light" to mean that they have understood something.
Cahaya
Cahaya bergerak pada kelajuan 3 X 108 m/s - sama dengan kelajuan gelombang elektromagnet yang lain. Cahaya boleh bergerak melalui hampagas / vakum dan dengan demikian, cahaya daripada Matahari dapat sampai ke Bumi.
Fenomena semulajadi yang berkaitan dengan cahaya termasuk:
o pantulan
o pembiasan
o pembelauan
o interferens.
Dalam Bahasa Inggeris, sesetengah menggunakan frasa "I can see the light" untuk bermaksud bahawa mereka telah memahami sesuatu.
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