Question

1. explain the graph of δ versus i for refraction of light through a prism.​

Answer 1

$\setlength{\unitlength}{1 cm}</p><p>\begin{picture}(12,4)</p><p>\thicklines</p><p>\put(2.7,2.7){ . }</p><p>\put(6,3){\circle{2}}</p><p>\put(6,6){\circle{2}}</p><p>\put(6,3){\line(0,1){3}}</p><p>\put(5.3,3){\line(0,1){3}}</p><p>\put(6.7,3){\line(0,1){3}}</p><p>\put(6,3){\line(1,0){0.7}}</p><p>\put(6,6){\line(1,0){0.7}}</p><p>\put(6.2,6.13){ r }</p><p>\put(6.8,4.5){ h }</p><p></p><p>\end{picture}$

$\setlength{\unitlength}{1 cm}</p><p>\begin{picture}(12,4)</p><p>\thicklines</p><p>\put(2.7,2.7){ . }</p><p>\put(6,6){\circle{2}}</p><p>\put(6,6){\line(0,1){2.1}}</p><p>\put(5.29,6){\line(1,3){0.7}}</p><p>\put(6.73,6){\line(-1,3){0.7}}</p><p>\put(6,6){\line(1,0){0.7}}</p><p>\put(6.25,5.73){ r }</p><p>\put(6.05,7){ h }</p><p></p><p>\end{picture}$

\put(5.6,5.8){$B$}

\put(9.1,5.8){$C$}

\put(9.05,9.1){$D$}

\put(4.5,7.5){$45\:cm$}

\put(7.1,5.3){$45\:cm$}

\put(9.5,7.5){$45 \:cm$}

\put(7.1,9.5){$45 \:cm$}

\put(6,6){\line(1,0){3}}

\put(6,9){\line(1,0){3}}

\put(9,9){\line(0,-1){3}}

\put(6,6){\line(0,1){3}}

\put(6,6){\line(1,1){3}}