Question

Summary of chapter light

Answer 1

Explanation:

• The bouncing back of light when it falls on a smooth polished surface is known as reflection of light.
• Regular reflection takes place when light is incedent on smooth, polished and regular surfaces.
• Diffused/irregular reflection takes place when light is incedent on rough surface.
• Beautiful patterns are formed in a kaleidoscope because of multiple reflections.
• Sunlight know as white light consists seven colours.
• splitting of light into its constituent colours is known as dispersion.
• Important parts of the eye are cornea, iris, pupil, lense retina, nerve endings and optic nerve.
• Muscles attached to the eye lens can change its thickness to enable to see nearly and distant objects. This feature of eye is called accommodation.
• Visually challenged persons can read and write using Braille system.

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Answer 2

Answer:

$\huge \mathfrak \orange{light} \star$