NCERT Solutions for Class 7 Science Chapter 15 - Light

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Jasmine Grover

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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

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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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