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- Light is electromagnetic so it consists of oscillating electric and magnetic fields. The visible part of the spectrum has a wavelength range of 3.7 × 10−7 —7.4 ×10−7m. All electromagnetic waves have a speed of 3.0 × 108 m s−1 in a vacuum. Light can be reflected, refracted, diffracted, polarised (polarized in US English), and superposed.
socratic.org/physics/light-and-reflection/properties-of-light
Dec 7, 2022 · Light has the properties of waves. Like ocean waves, light waves have crests and troughs. The distance between one crest and the next, which is the same as the distance between one trough and the next, is called the wavelength .
Light has the property of waves and particles. All the important properties of light like refraction, reflection, dispersion, etc. are explained in this page.
Jan 27, 2024 · Light is a form of energy which enables us to see objects from where it comes or reflected. We can detect light with our eyes. Light Travelling along a Straight Line.
Nov 27, 2023 · This comprehensive guide covers Chapter 15 (now chapter 11)– Light, designed for Class 7 Science. It explores the nature of light, its travel, reflection, refraction, and dispersion, along with practical applications of spherical mirrors and lenses.
- Light always travels in straight line. For instance, if you look at the flame of a candle with a straight pipe we can easily view the candle. However, if we bend the pipe we cannot view the candle and the light coming through it because it is blocked.
- Reflection of light by plane mirror. What is an image?
- Image of Candle Formed by a Mirror. As a mirror reflects light, an image of the object that is in front of the mirror is formed on it. The image of an object can be defined as the impression of the object created by the light on the mirror.
- Inverted Image of a Candle. Left-right inversion of the image.
The important topics covered in Chapter 15 of NCERT Solutions for Class 7 Science are 1. Light Travels along a Straight Line 2. Reflection of Light 3. Right or Left! 4. Playing with Spherical Mirrors 5. Images Formed by Lenses 6. Sunlight — White or Coloured?
White light consists of seven colors. The path in which light travels is a straight line. A smooth or shinning surface that forms images by reflection is called a mirror. Download Light Class 7 Notes on BYJU’S.
