Ten Questions on Light Chapter of Class VII CBSE Board

CBSELight is electromagnetic radiation that is visible to the human eye. Visible light has wavelength in a range from about 380 nanometres to about 740 nm, with a frequency range of about 405 THz to 790 THz. In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not

Here is Class VII Chapter on Light -10 Questions

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