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U3L4 Science
Question | Answer |
---|---|
Light travels in | Waves |
Light waves | Spread out in all directions |
White light is | Made up of many different colours |
When white light passes through a prism, it | will refract into many different colours, known as its spectrum, |
Each colour is | A type of wave but at different frequencies or wavelengths |
Light is a type of | Radiation |
Electromagnetic Spectrum | a small part of a huge amount of invisible radiation that we can actually see |
Frequency | The number of times the medium vibrates in a given unit of time |
Wavelength | the distance from the crest of one wave to another |
Amplitude | The height of a wave from the rest position to the crest |