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://ejercicios-fyq.com/local/cache-vignettes/L144xH25/siteon0-da713.png?1758361862 https://ejercicios-fyq.com/ 25 144 https://ejercicios-fyq.com/Frequency-and-energy-of-light-4330 https://ejercicios-fyq.com/Frequency-and-energy-of-light-4330 2017-12-05T06:11:55Z text/html es F_y_Q Frequency Energy SOLVED <p>If frequency of red light is lower than frequency of blue light, how will their energies compare?</p> - <a href="https://ejercicios-fyq.com/Waves" rel="directory">Waves</a> / <a href="https://ejercicios-fyq.com/Frequency" rel="tag">Frequency</a>, <a href="https://ejercicios-fyq.com/Energy-671" rel="tag">Energy</a>, <a href="https://ejercicios-fyq.com/SOLVED" rel="tag">SOLVED</a> <div class='rss_texte'><p>If frequency of red light is lower than frequency of blue light, how will their energies compare?</p></div> <hr /> <div <div class='rss_ps'><p>The energy of blue light will be higher than the energy of red light. You must remember Planck's equation, which gives us the relationship between these two magnitudes: <br/> <br/> <img src='https://ejercicios-fyq.com/local/cache-TeX/715dd37cc8b71bff8a0e3d0e0bfddb1d.png' style="vertical-align:middle;" width="92" height="16" alt="\color[RGB]{2,112,20}{\bm{E= h\cdot \nu}}" title="\color[RGB]{2,112,20}{\bm{E= h\cdot \nu}}" /> <br/> <br/> <b>This equation establishes that the higher the frequency, the higher the energy</b>.</math></p></div> https://ejercicios-fyq.com/Sound-s-tone-3622 https://ejercicios-fyq.com/Sound-s-tone-3622 2016-06-30T05:38:35Z text/html es F_y_Q Frequency SOLVED <p>What is the physical magnitude of sound related to tone?</p> - <a href="https://ejercicios-fyq.com/Waves" rel="directory">Waves</a> / <a href="https://ejercicios-fyq.com/Frequency" rel="tag">Frequency</a>, <a href="https://ejercicios-fyq.com/SOLVED" rel="tag">SOLVED</a> <div class='rss_texte'><p>What is the physical magnitude of sound related to tone?</p></div> <hr /> <div <div class='rss_ps'><p>Tone is related to the <b>frequency</b> of the sound wave.</p></div> https://ejercicios-fyq.com/Relation-between-frequency-and-wavelength-3140 https://ejercicios-fyq.com/Relation-between-frequency-and-wavelength-3140 2015-05-08T09:14:21Z text/html es F_y_Q Propagation speed Frequency Wavelength SOLVED <p>A spring is producing waves with a frequency of 4 Hz and a wavelength 0.5 m. What is its velocity? What will be its wavelength if the frequency is doubled? What will be its wavelength if the frequency is reduced to half?</p> - <a href="https://ejercicios-fyq.com/Waves" rel="directory">Waves</a> / <a href="https://ejercicios-fyq.com/Propagation-speed" rel="tag">Propagation speed</a>, <a href="https://ejercicios-fyq.com/Frequency" rel="tag">Frequency</a>, <a href="https://ejercicios-fyq.com/Wavelength" rel="tag">Wavelength</a>, <a href="https://ejercicios-fyq.com/SOLVED" rel="tag">SOLVED</a> <div class='rss_texte'><p>A spring is producing waves with a frequency of 4 Hz and a wavelength 0.5 m. What is its velocity? What will be its wavelength if the frequency is doubled? What will be its wavelength if the frequency is reduced to half?</p></div> <hr /> <div <div class='rss_ps'><p>The wave's velocity is: <br/> <br/> <p class="spip" style="text-align: center;"><img src='https://ejercicios-fyq.com/local/cache-TeX/01c027dfa14d6b8ca71d2cd5e077c506.png' style="vertical-align:middle;" width="372" height="37" alt="{\color[RGB]{2,112,20}{\bm{v = \lambda \cdot \nu}}}\ \to\ v = 0.5\ m\cdot 4\ s^{-1} = \fbox{\color[RGB]{192,0,0}{\bm{2\ \frac{m}{s}}}}" title="{\color[RGB]{2,112,20}{\bm{v = \lambda \cdot \nu}}}\ \to\ v = 0.5\ m\cdot 4\ s^{-1} = \fbox{\color[RGB]{192,0,0}{\bm{2\ \frac{m}{s}}}}" /></p> <br/> If velocity is constant, when the frequency is doubled, <b>the wavelength must be halved</b>. <br/> <br/> Similarly, if the frequency is halved, <b>the wavelength must be doubled</b>.</math></p></div>