Question

With the help of a simple experiment prove that white light is composed of seven colours

Answer 1

Sunlight- White or Coloured. White light is called as white because it consists of seven colors. ... With the help of a narrow beam of light, a glass prism, and a white wall it is possible to produce the band of seven colors using white light.

PLS MARK ANS AS BRAINLIEST

Answer 2

We can say that white light is made up of seven colours as :-

• Take a Prism
• Simply, allow the sun rays to pass simply through the Prism
• Place a screen and there will be 7 colours

Diagram of this :-

Here in this diagram there is clearly shown how white light is dispersing into seven colours and also the names of all the seven colours

$\setlength{\unitlength}{1cm} \begin{picture}(1,0) \thicklines\qbezier(0,0)(0,0)(2,2)\qbezier(0,0)(0,0)(4,0)\qbezier(4,0)(2,2)(2,2)\put( - 0.29, 0.45){\line(2,1){1.6}}\put( - 0.29, 0.45){\vector(2, 1){1}}\put(1.2, 1.26){\line(1, 0){1.5}}\put( 1.2, 1.26){\vector(1, 0){0.9}}\put(2.7, 1.26){\line(1, 0){2.5}}\put(2.75,1.25 ){\line(6, -1){2.5}} \put(2.75,1.25 ){\line(5,-2){2.5}} \put(2.75,1.25 ){\line(4,-1){2.5}}\put(2.75,1.25 ){\line(3,-2){2.5}}\put(2.75,1.25 ){\line(5, - 3){2.5}}\put(2.75,1.25 ){\line(5,-4){2.5}}\put(5.5, -1.4 ){\line(0,1){3}}\put(7.2, -1.4 ){\line(0,1){3}} \put(5.7, 1.2 ){ \bf Red }\put(5.7, 0.8 ){ \bf Orange }\put(5.7, 0.4 ){ \bf Yellow }\put(5.7, 0){ \bf Green }\put(5.7, - 0.4 ){ \bf Blue }\put(5.7, - 0.8){ \bf Indigo }\put(5.7, - 1.2 ){ \bf Violet }\end{picture}$