WebJul 24, 2024 · $\begingroup$ It looks like the difference between path 1 and path 2 is that on path 1 the light travels through $2a$ of diamond while on path 2 it travels through $6a$ of air (and aside from that the distance traveled through each material is the same for both paths). Wouldn't the first path still take less time? $2a\times 2.45 < 6a\times 1$ I think … WebDescribe an experiment to show that light travels in a straight line path. Hard. View solution. >. Rajesh conducts the following experiment. He cuts 3 cardboard pieces, each with a hole in the center, and aligns them in a straight line as shown in the image. He now puts a candle in front of the first cardboard piece and looks at it from behind ...
general relativity - Why does light always travel in a straight line ...
WebApr 7, 2024 · This experiment shows that light travels in a straight line. It also shows that light cannot travel through an opaque medium. Let's take another example to show that light can travel through other transparent mediums such as water. Take a glass of water and put a part of one of the fingers in the water. WebGiven speed of light in vacuum, it would take 14.1 nanoseconds for the photon to travel the reflected path, whereas it would take 10.0 nanoseconds to travel 3 meters linearly. Both the distance & duration are about 40% … british heart foundation registered number
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WebThe straightness of light rays follows from constructive interference of waves that approximately follow the shortest path (or more generally an extremal path). Around the extremal path the derivative of the path length wrt variations of the path is 0. WebMar 5, 2015 · Best Answer. Copy. light travels in straight paths called rays. Wiki User. ∙ 2015-03-05 21:18:40. This answer is: caparol w443