https://ejercicios-fyq.com/ Ejercicios Resueltos, Situaciones de aprendizaje y VÍDEOS de Física y Química para Secundaria y Bachillerato es SPIP - www.spip.net https://www.ejercicios-fyq.com/local/cache-vignettes/L144xH25/siteon0-da713.png?1758361862 https://ejercicios-fyq.com/ 25 144 https://www.ejercicios-fyq.com/Refraction-and-speed-of-light-2759 https://www.ejercicios-fyq.com/Refraction-and-speed-of-light-2759 2014-10-22T05:02:04Z text/html es F_y_Q Propagation speed Refractive index Refraction SOLVED <p>The refractive index of green light in water is 1.42. What is its speed when it travels through water? <br class='autobr' /> (Velocity of light in a vacuum is 300 000 km/s).</p> - <a href="https://www.ejercicios-fyq.com/Waves" rel="directory">Waves</a> / <a href="https://www.ejercicios-fyq.com/Propagation-speed" rel="tag">Propagation speed</a>, <a href="https://www.ejercicios-fyq.com/Refractive-index" rel="tag">Refractive index</a>, <a href="https://www.ejercicios-fyq.com/Refraction" rel="tag">Refraction</a>, <a href="https://www.ejercicios-fyq.com/SOLVED" rel="tag">SOLVED</a> <div class='rss_texte'><p>The refractive index of green light in water is 1.42. What is its speed when it travels through water?</p> <p>(Velocity of light in a vacuum is 300 000 km/s).</p></div> <hr /> <div <div class='rss_ps'><p>The formula for calculating the refractive index is: <br/> <br/> <img src='https://www.ejercicios-fyq.com/local/cache-TeX/9393c9bdce5c7e01f166d3f9fe43976d.png' style="vertical-align:middle;" width="63" height="44" alt="\color[RGB]{2,112,20}{\bm{n = \frac{c}{v}}}" title="\color[RGB]{2,112,20}{\bm{n = \frac{c}{v}}}" /> <br/> <br/> Solving the equation to determine the speed of light: <br/> <br/> <p class="spip" style="text-align: center;"><img src='https://www.ejercicios-fyq.com/local/cache-TeX/94fb96afd2b467fe7d92b8bb49bdebbd.png' style="vertical-align:middle;" width="358" height="51" alt="{\color[RGB]{2,112,20}{\bm{v = \frac{c}{n}}}} = \frac{300\ 000\ \frac{km}{s}}{1.42} = \fbox{\color[RGB]{192,0,0}{\bm{211\ 268\ \frac{km}{s}}}}" title="{\color[RGB]{2,112,20}{\bm{v = \frac{c}{n}}}} = \frac{300\ 000\ \frac{km}{s}}{1.42} = \fbox{\color[RGB]{192,0,0}{\bm{211\ 268\ \frac{km}{s}}}}" /></p> </math></p></div>