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Optics
Page 2
Questions (4,210)
A ray of light enters a glass block from air at an angle of incidence of 50 degrees. The angle of refraction is 30 degrees. What
3 answers
asked by
Celina
2,215 views
When white light strikes this object, the light is completely absorbed, with none of it transmitted or reflected. Which type of
7 answers
asked by
mu nime is idk
515 views
Consider what happens to a solar beam traveling through the atmosphere on some particular day. Within the atmosphere, 15% of the
5 answers
asked by
Anonymous
1,424 views
A shaving/makeup mirror is designed to magnify your face by a factor of 1.27 when your face is placed 23.5 cm in front of it.
5 answers
asked by
###Nadine####
6,813 views
Which statement correctly describes the refraction of light? (1 point)
As light waves enter a different medium, they bend towards
1 answer
asked by
Hlo
112 views
Red tape can be used to repair a broken taillight on a car. In one or two sentences, explain how different colors of light are
3 answers
asked by
☘️Lucky Ducky🦆
574 views
What is Reflection?
4 answers
asked by
Lonwabo
1,200 views
Use Snell’s law to determine the index of refraction of a sample of glass if a light ray that strikes the glass from air at an
5 answers
asked by
Iwannaknow
563 views
1. A light ray strikes a mirror at an angle of 42° from the surface of the mirror. What angle does the reflected ray make with
5 answers
asked by
need help
5,126 views
a thimble is 32.0 cm from a spherical concave mirror. The focal point lenght of the mirror is 11.0 cm. What is the image
4 answers
asked by
Luis
2,769 views
In searching the bottom of a
pool at night, a watchman shines a narrow beam of light from his flashlight, 1.3 m above the water
4 answers
asked by
Steve
5,070 views
An object 7.5cm light is placed 30 cm from aconcave mirror of curvature 20cm calculate the 1image distance 2image height
4 answers
asked by
Yusuf aliyu
825 views
Light waves are traveling through glass. If the wavelength of some part of the light wave is 4 x 10-7 m and the frequency of
4 answers
asked by
HELP!
1,309 views
The surface of which material is least likely to reflect light?(1 point)
Responses sheet of metal sheet of metal pillowcase
3 answers
asked by
Name
192 views
A coin is placed at a focal point of a converging lens. Is an image formed? If yes, is it real or virtual , erect or inverted,
3 answers
asked by
Susan
1,200 views
Green light is emitted when electrons in a substance make a particular energy-level transition. If blue light were instead
3 answers
asked by
Jake
1,841 views
A lamp 10 cm high is placed 60cm in front of a diverging lens of focal length 20 cm. By means of a scale ray digram, locate the
4 answers
asked by
Sarah
2,258 views
How does the phenomenon of refraction differ from that of reflection, and what are the key factors that influence the behavior
3 answers
asked by
NIGAS
50 views
How far apart are an object and an image formed by a 75.0cm focal length converging lens if the
image is 2.5x larger than the
4 answers
asked by
Timson Wakrit
2,795 views
A ray of light passes from air through a rectangular block of glass with parallel faces 4.5cm apart at an angle of incidence of
2 answers
asked by
Afolabi Tomilola
116 views
The diagram shows an image produced by a lens.
From left a label W, a shining light bulb, with arrows running up and right and
2 answers
asked by
Interesting...
128 views
Which picture shows how a mirror reflects light?
2 answers
asked by
u
87 views
When light waves are refracted, if they bend toward the normal they are _
and if they are bent away from the normal they are _
1 answer
asked by
ok
66 views
Which statement best describes the refraction of light as it moves from air to glass?
* 1 point Light undergoes diffraction due
2 answers
asked by
Water
187 views
the thin lens equation in physics is 1/s+1/S=1/f where s is the object distance from the lens,S is the image distance from the
5 answers
asked by
roslin
3,003 views
A thin converging lens is found to form an image of a distant building 24 cm from the lens. If an insect is now placed 16 cm
4 answers
asked by
Tanya
4,022 views
Light of wavelength 630 nm passes through a grating and then onto a screen located several meters from the grating. The 1st
4 answers
asked by
BULturp
1,817 views
Sometimes, when you sit by a lake in a forest, you can see perfect images of the hills and trees in the lake. Other times, when
4 answers
asked by
Nathan
1,876 views
The moon's diameter is 3.48 106 m, and its mean distance from the earth is 3.85 108 m. The moon is being photographed by a
4 answers
asked by
Anonymous
4,622 views
When light of a certain wavelength is incident normally on a certain diffraction grating the line of order 1 is at a diffraction
4 answers
asked by
Susan
3,832 views
Light that is polarized along the vertical direction is incident on a sheet of polarizing material. Only 94% of the intensity of
7 answers
asked by
Delli
6,059 views
A jewel thief decides to hide a stolen diamond by placing it at the bottom of a crystal-clear fountain. He places a circular
4 answers
asked by
vanessa
2,119 views
Laser Pointers emit light waves whose wavelength is 670 nm. What is the frequency for this light?
4 answers
asked by
Charles
3,030 views
A convex meniscus lens is made of glass with refractive index, n= 1.5. The radius of curvature of the concave surface is 46.2 cm
5 answers
asked by
aiman
3,319 views
The human eye is most sensitive to light having a frequency of about 5.3*10^14 Hz, which is in the yellow-green region of the
4 answers
asked by
rick
2,833 views
An object is placed 50cm in front of a plane mirror.
Find the distance of the image. Find the magnification of the image
4 answers
asked by
Anonymous
1,537 views
46. A thin film of oil with a thickness of 90 nm rests on top of a pool of water. When white light incident on the film is
3 answers
asked by
John Ng
777 views
If you place a glass test tube in water, you can see the tube. If you place it in clear soybean oil, you may not be able to see
4 answers
asked by
Jean
2,732 views
"The illumination of an object by a light source is directly proportional to the strength of the source and inversely
4 answers
asked by
Stuck
2,246 views
Glycerine has an index of refraction of 1.47. What is the critical angle for a light ray traveling from:
a)Glycerin into air
4 answers
asked by
Kayla
3,167 views
An object is placed 50cm in front of a plane mirror.
Find the distance of the image from the object. State the magnification of
1 answer
asked by
Belema Bereni
348 views
a ray of light strikes a rough surface such that the angle of incidence is 40.0. what is the angle of reflection
1. 0 degrees 2.
3 answers
asked by
paul
1,415 views
An observer uses a 10 sided mirror to measure the speed of light. A clear image occurs every one-tenth of a rotation when the
3 answers
asked by
sam
841 views
A butterfly at eye level is 20 cm in front of a plane mirror. You are behind the butterfly, 50 cm from the mirror. What is the
3 answers
asked by
Pam
4,612 views
The wavelength of a particular color of green light is 504 nm.
The frequency of this color is ___sec-1.
5 answers
asked by
YOYO
608 views
The index of refraction of a certain type of glass is 1.58 what is the speed of light in the glass ?
3 answers
asked by
amy
1,443 views
In the photoelectric effect, does brightness or frequency determine the Kinetic energy of the ejected electrons? Which
3 answers
asked by
coach
2,183 views
a concave shaving mirror is construction so that a man at a distance of 20cm from the mirror sees his image magnified 1.5 times
4 answers
asked by
Anonymous
2,979 views
Which property causes a pencil to appear bent or broken when it is placed in a glass partially filled with water?(1 point)
Respon
2 answers
asked by
who dat
239 views
A narrow ray of yellow light from glowing sodium (λ0 = 589 nm) traveling in air strikes a smooth surface of water at an angle
3 answers
asked by
John
798 views
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