Total reflection and critical angle When light enters from a medium with a large refractive index to a medium with a small refractive index, the incident light does not pass through the boundary surface but is reflected at all. When … more
If three primary colors of light (red, green, blue) are illuminated in a dark place, how will it look? Notice & Information The following web browsers are currently supported: Windows: Microsoft Edge, Google Chrome Android: Microsoft Edge, Google Chrome iOS: … more
Height and loudness of the sound When we often say that a sound is ‘low’ or ‘high,’ we are referring to the height of the sound. The height of the sound is completely different from the loudness of the sound. … more
This simulation is Works with Edge, FireFox, Chrome, Safari, Opera. does not works with Internet Explorer, Opera Mini. Due to the nature of the program, there may be some beats even in consonant sounds. Chord The sound of two or … more
This simulation is works with Edge, FireFox, Chrome, Safari, Opera. does not work withInternet Explorer, Opera Mini. String instrument Since string instruments are tied on both sides of the string, the string’s end becomes the vibration’s knot. When the string … more
The standing wave of the drum In a standing wave, the position of the vibration node or antinode does not move. Since the drum has a fixed edge, the edge becomes the node of vibration. The sound varies depending on … more
Reset The standing wave of the drum In a standing wave, the position of the vibration node or antinode does not move. Normally, standing waves are created by overlapping two or more waves. Or it can be created by overlapping … more
Three primary colors of light Red, green, and blue are called the three primary colors of light. You can create any color by adjusting the light of these three colors appropriately. red + green = yellow red + blue = … more
The image captured on the camera is divided into three primary colors of light. Notice & Information The following web browsers are currently supported: Windows: Microsoft Edge, Google Chrome Android: Microsoft Edge, Google Chrome iOS: Safari Please use with high-performance … more
The image on the camera is divided into 4 color colors for printing. Notice & Information The following web browsers are currently supported: Windows: Microsoft Edge, Google Chrome Android: Microsoft Edge, Google Chrome iOS: Safari Please use with high-performance CPU … more
What is an image? Our eyes are designed to sense where the light came from. Even if the light didn’t actually originate there, if our eyes feel that way, our eyes say there’s an image there. When two mirrors face … more
You can adjust the spacing and position of the slits. Young’s double slit experiment Young’s interference experiment is as follows: The light diffracted from the small holes S0 on-screen ‘A’ passes through the small holes S1 and S2. Light passing … more