Q1: Light is incident from air (n= 1 ) to glass (n = 1.51). The light has a wavelength of 541 nm in air a) If the angle of incidence is 37", what are the angles of reflection and of refraction? b) What is the wavelength of the light in the glass?
Refraction of Light
Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.
Angle of Refraction
Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.
Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.
![اسئلة امتحان البصريات
Q1: Light is incident from air (n= 1)
to glass (n = 1.51). The light has a
wavelength of 541 nm in air
a) If the angle of incidence is 37", what
are the angles of reflection and of
refraction?
%3D
b) What is the wavelength of the light in
the glass?
Q2: Light in a material with an index of
refraction of 1.57 is refracted into air, at
an angle of refraction of 56".
(a) What is the angle of incidence?
(b) What is the speed of light in
material?
Q3 : A beam of light passes through
a block of glass 10.0 cm thick, then
through water for a distance of 30.5
cm, and finally through another block
of glass 5.0 cm thick. If the refractive
index of both pieces of glass is 1.5250
and of water is 1.3330, find the total
optical path.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F58073fa8-cd21-4951-b46a-2d77ab9b6dfc%2F3987bcbc-1ad1-4764-9627-e1a8a7299426%2Fdz9inhi_processed.jpeg&w=3840&q=75)
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