account android arrow-alt-circle-down arrow-alt-circle-left arrow-alt-circle-right arrow-alt-circle-up arrow-down arrow-left arrow-right arrow-up author bars behance blogger buffer caret-down caret-left caret-right caret-square-down caret-square-left caret-square-right caret-square-up caret-up categories chevron-down chevron-left chevron-right chevron-up clock close cookies copyright coupon-discount date-modified date-published discord double-arrows-down double-arrows-left double-arrows-right double-arrows-up dribbble envelope-open envelope eye facebook fax flickr foursquare github gmail google-drive grid-view hashtag hollow-ring homepage instagram ios level-down-alt level-up-alt line link linkedin list-view login logout long-arrow-alt-down long-arrow-alt-left long-arrow-alt-right long-arrow-alt-up medium messenger mobile phone pinterest place qq quote-left quote-right quotes reading-time-hourglass reading-time-stopwatch reddit scroll-to-top search shazam shopping-bag shopping-cart side-panel-opening-2-left side-panel-opening-2-right side-panel-opening-left side-panel-opening-right skype slack small-arrow-down small-arrow-left small-arrow-right small-arrow-up sms snapchat soundcloud spinner spotify stackoverflow sync telegram tiktok times-circle tinder trello tripadvisor tumblr twitch viber vimeo vine vkontakte website wechat whatsapp windows wishlist xing yelp youtube zoom 
Hola. En primer lugar felicitarte por el inmenso trabajo que haces y que es muy útil tanto para alumnos como para profesores.
Es normal que haya algunos errores de cálculo. Creo que en este problema se ha colado uno de esos errores en el cálculo de la frecuencia de la luz utilizada.