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NCERT Solutions for Class 7 Science Chapter 15 Light are provided in this article. It covers all the important definitions, concepts, and methodologies of Reflection of Light, Light Travels Along A Straight Line and Playing with Spherical Mirrors.
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NCERT Solutions for Class 7 Science Chapter 15
Class 7 Science Chapter 15 Light: Important Topics
- Light is radiation or a form of energy that our eyes can detect. Light enables us to view our surroundings. Light travels from one place to another in a straight line.
- Light travels in a straight line, this is because the diffraction effect is the least due to the small wavelength of light.
- Therefore, the small wavelength of light produces negligible diffraction, and thus light travels along a straight line.
- Reflection of light is when a ray of light approaches a smooth polished surface and the light ray bounces back.
- The incident light ray that lands upon the surface are said to be reflected off the surface. The ray that bounces back is called the reflected ray.
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