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- The ray of light that strikes a surface, is known as the incident ray. The ray of light that comes back after getting reflected from the surface is known as reflected ray. A line drawn perpendicular to a surface is known as the normal. The angle between the normal and the incident ray is known as the angle of incidence.
Oct 4, 2019 · NCERT Solutions for Class 8 Science Chapter 16 – 1 Mark Questions and Answers. Question 1. Define dispersion of light. [MSE (Chandigarh) 2007] Answer: Splitting up of white light into seven colours when it passes through a glass prism is known as dispersion of light. Question 2. Name the colours in the order they appear in the spectrum of light.
These NCERT Solutions present you with answers to the questions on the meaning of reflection, laws of reflection, types of mirrors, kaleidoscope and its construction, the concept of the rainbow and 7 colours, dispersion of light, parts of the human eye and defects of the human eye.
It is only when light from an object enters our eyes that we see the object. The light may have been emitted by the object, or may have been reflected by it. You learnt in Class VII that a polished or a shiny surface can act as a mirror. A mirror changes the direction of light that falls on it.
Feb 19, 2019 · Light is a form of energy that enables us to see various things present in our surroundings. Now the question arises how do we see the things that surround us? When light falls on an object, some part of the light is reflected back to our eyes.
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Mar 13, 2024 · In NCERT Class 8 Science Chapter 13, we will learn about light, what are the laws of reflection, how the human eye works, etc. Let’s start with the chapter. What are the Laws of Reflection? The ray of light that strikes a surface, is known as the incident ray.
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Apr 16, 2024 · Some essential properties of light include: Speed: Light travels at a constant speed of approximately 299,792 kilometers per second in a vacuum. Wavelength and Frequency: Light waves have specific wavelengths and frequencies, which determine their color and energy.
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Check out the NCERT Solutions, Notes, Experiments, Activities and some Extra Questions for Chapter 16 Class 8 Science - Light. Everything is provided free of cost, and is the best education material available for Light Class 8.
