Match the correct answer. a. Splitting of white light i. multiple reflection b. Colourful patterns ii. dispersion c. Two plane mirrors iii. kaleidoscope

a. Splitting of white light - (ii) dispersion Dispersion is defined as the splitting of white light into its constituent colours. b. Colourful patterns - (iii) kaleidoscope A kaleidoscope can form colourful patterns. A kaleidoscope is an optical instrument with two or more reflecting surfaces tilted to each other in an angle, so that one or more (parts of) objects on one end of the mirrors are seen as a regular symmetrical pattern when viewed from the other end, due to repeated reflection . c. Two plane mirrors - (i) multiple reflection Two plane mirrors can be used to make multiple reflections. The number of images formed depends on the angle between the mirrors. a. splitting of white light ii. dispersion b. colourful patterns iii. kaleidoscope c. two plane mirrors i. multiple reflection

EASY

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Splitting of light into its colours is known as _____ of light.

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Important Questions on Light

MEDIUM

Science>Physics>Light>Dispersion of Light

While performing an experiment of dispersion of white light through a prism, four students represented the dispersion pattern as shown below. Identify the correct representation:

EASY

Science>Physics>Light>Dispersion of Light

When white light passes through the prism, colour which deviates the least is:

EASY

Science>Physics>Light>Dispersion of Light

The danger signals installed at the top of tall buildings are red. These can be easily seen from a distance because among all other colours, the red light

EASY

Science>Physics>Light>Dispersion of Light

The coloured substances which are used as a paint are known as pigments. In order to obtain various pigments, the subtractive method is used for mixing the pigments. Which of the following colour is not absorbed by yellow and blue pigments?

MEDIUM

Science>Physics>Light>Dispersion of Light

How can you show that white light (say, sunlight) consists of seven colours?

EASY

Science>Physics>Light>Dispersion of Light

What do you mean by dispersion of light? Give examples of dispersion of sunlight.

MEDIUM

Science>Physics>Light>Dispersion of Light

Statement given is incorrect. Write the correct statement. During dispersion, any kind of light splits into seven colours.

HARD

Science>Physics>Light>Dispersion of Light

Name all the colours present in white light, starting from red, in proper order.