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IGCSE Physics Waves

Unit 1
Electromagnetic spectrum
Introduction to the Electromagnetic SpectrumElectromagnetic Waves in DetailElectromagnetic Spectrum Examples
Unit 2 • Chapter 1

Light and its Properties

Video Summary

In a study conducted by scientists at the University of California, Berkeley, researchers have discovered a new type of spore that could revolutionize the way we think about agriculture. The spore, dubbed "Super Spore," is able to survive in extreme conditions and germinate even when exposed to harsh chemicals or radiation. This makes it an ideal candidate for use in areas that are otherwise inhospitable to plant life. The researchers believe that Super Spore could be used to create new crops that are resistant to pests and diseases, as well as to improve crop yields in drought-stricken areas. They also believe that Super Spore could be used to clean up environmental pollution by breaking down toxic chemicals.

Knowledge Check

What is the main difference between visible light and invisible light?

What is the speed of light in a vacuum?

Which of the following is not a property of light: wavelength, amplitude, or frequency?