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Definitely possible asmedium 2 is found rarer compared to medium 1
Rotate the pipe 180 degrees along a horizontal axis. Or look at the pipe from the other side. An angle that was not reflex will become reflex and conversely.
Unfortunately, the word "reflaction" is one character different from reflection and refraction. It is not possible to determine which you meant.
No such thing as opposite of acute angle. An ACUTE angle is an angle of less than 90 degrees. A RIGHT angle is an angle of 90 degrees only. An OBTUSE angle is an angle between 90 degrees and 180 dehrees. An angle of 180 degrees is a straight line. A REFLEX angle is an angle between 180 degrees and 360 degrees.
A right angle is a 90 degrees angle.
The amount of bending that a light ray experiences can be expressed in terms of the angle of refraction (more accurately, by the difference between the angle of refraction and the angle of incidence). A ray of light may approach the boundary at an angle of incidence of 45-degrees and bend towards the normal. If the medium into which it enters causes a small amount of refraction, then the angle of refraction might be a value of about 42-degrees. On the other hand if the medium into which the light enters causes a large amount of refraction, the angle of refraction might be 22-degrees. (These values are merely arbitrarily chosen values to illustrate a point.) The diagram below depicts a ray of light approaching three different boundaries at an angle of incidence of 45-degrees. The refractive medium is different in each case, causing different amounts of refraction.
When a ray of light travels from one transparent medium into another medium, it bends while crossing the interface, separating the two media. This phenomenon is called refraction.
refraction
It is called refraction.
Refraction
Refraction
Refraction.
The bending of a light wave as it passes at an angle from one medium to another
phase angle of 0 degree
Diffraction.
Definitely possible asmedium 2 is found rarer compared to medium 1
how can the path of a light ray be affected once it enters a nonzero angle with a greater index of refraction