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Optics
Page 3
Questions (4,275)
A rectangular glass block 5cm thick is placed on top of the page of a book. If the refractive index of the glass block is
1 answer
asked by
Kombo abdallah
32 views
Suppose that the mirror is moved so that the tree is between the focus point F and the mirror. What happens to the image of the
1 answer
asked anonymously
34 views
A prism disperses white light, forming a spectrum. Which of the following is the best explanation for this phenomenon?
Responses
1 answer
asked anonymously
26 views
Use the picture to answer the prompt.
A photo shows a landscape of a mountain and trees. This landscape is reflected in a lake.
1 answer
asked anonymously
16 views
Which statement correctly describes the refraction of light?(1 point)
As light waves enter a different medium, they bend towards
1 answer
asked anonymously
19 views
light travels
1. in curves 2. around corners 3.in straight lines 4. in bendy lines
1 answer
asked anonymously
25 views
Which statement best describes the refraction of light as it moves from air to glass?
(1 point) Although the light changes speed,
1 answer
asked anonymously
11 views
Waves Unit Test
4 of 204 of 20 Items Question How do the frequencies and the speeds of yellow light and blue light compare?(1
1 answer
asked by
u dont know me
16 views
What causes light to slow down?
a moving into a lighter medium b moving into a denser medium c moving into a vacuum d moving into
1 answer
asked by
jalonn:3
14 views
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. The angle of
3 answers
asked by
Kace
1,271 views
A photographic slide is to the left of a lens. The lens projects an image of the slide onto a wall which is a distance of 5.94 m
3 answers
asked by
Tifani
2,543 views
Use the diagram to answer the question.
Referring to the figure, what type of image would this lens form? a real image an
1 answer
asked by
mir
375 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
2,801 views
I really need help on these questions because I have a test tomorrow and don't understand how to do them.
1) A wire of diameter
2 answers
asked by
Alex
721 views
A converging lens has a focal length of 0.060 m. An object is located 0.020 m to the left of this lens. A second converging lens
2 answers
asked by
Mary
497 views
Concave lenses are used to correct and convex lenses are used to correct ?a)presbyopia;emmetropla
B) emmetropia;myopia
2 answers
asked anonymously
77 views
Describe with a well wheeled diagram how a pure spectrum and white light can be produced
2 answers
asked by
Chioma
94 views
Light travels:
a around corners b in straight lines c in curves d in bendy lines
1 answer
asked by
gg
112 views
Convergence and divergence
1 answer
asked by
Fuad Faji Jemal
80 views
Where are the sun's rays most intense
7 answers
asked by
idk what i should put here
2,159 views
The index of refraction of a transparent liquid
(similar to water but with a different index of refraction) is 1.39. A flashlight
1 answer
asked by
cr
1,336 views
The index of refraction of a transparent liquid
(similar to water but with a different index of refraction) is 1.39. A flashlight
3 answers
asked by
cr
1,486 views
A person with eyesight problems may wear either diverging or converging contact lenses.
A short-sighted eye cannot focus on
2 answers
asked by
Sodeeq
170 views
eeoo
2 answers
asked by
Kristenš
69 views
A typical laser pointer is rated at 5.0 mW. It outputs red light with a wavelength of about 6300 Angstrom. How many photons of
2 answers
asked by
qwerty123
520 views
Use the ray diagram for a lens to answer the question.
focal length focal length focus focus Which of these best describes the
5 answers
asked by
ulyjh,b
203 views
Visible light has a range od wavelengths from about 400-750 nm . Which of these wavelengths is most likely seen as the color
1 answer
asked by
Sheila Ann
208 views
What happens when light passes from air into water?
The light forms a mirage. The light speeds up. The light slows down. The
1 answer
asked by
mir
112 views
A material with the highest index of refraction _____.
reflects light the most bends light the least reflects light the least
1 answer
asked by
mir
98 views
You can sometimes see a mirage because _____.
white light reflects off smooth surfaces light rays can be bent by hot air light
3 answers
asked by
mir
95 views
Which type of material reflects or absorbs any light that strikes it?
opaque concave transparent translucent
1 answer
asked by
mir
79 views
When white light this object the light is completely absorbed with none of it transmitting or reflected which type Of object
4 answers
asked by
Austin Storlien
106 views
What happens to light as it passes through a blue sports drink?
4 answers
asked by
Me & you
409 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
529 views
Interaction of Waves Quick Check
Question When white light strikes this object, the light is completely absorbed, with none of it
3 answers
asked by
tommy
177 views
A mixture of argon and mercury vapor used
in advertising signs emits light of wavelength 610 nm. Calculate the energy change
4 answers
asked by
Billy
2,591 views
The brightest and clearest diffraction patterns are seen when light is shone through:
1 answer
asked by
oyebodegoldencity
58 views
A laser beam in air is incident on a liquid at an angle of 40.0^\circ with respect to the normal. The laser beam's angle in the
3 answers
asked by
elina
777 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####
6,818 views
what does the phenomenon of interference demonstrate?
a)the wave nature of light b)the polarization of light waves c)the
3 answers
asked by
Sal
1,673 views
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm
2 answers
asked by
Rudi
706 views
An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height.
What is
2 answers
asked by
cr
564 views
Light travelling in water is incident on air refracts at an angle of 27 degrees. What is the angle of incidence?
my answer: 37
1 answer
asked by
Liz
489 views
A pin is placed 40cm away from a convex lens of focal lenght 20cm. Determine the maginification of the pin formed by the lens.
m
3 answers
asked by
Matrix School 2
1,278 views
Photons of energy 12eV are incident on a metal. It is found that current flows from the metal until a stopping potential of 8.0V
4 answers
asked by
Sheila
536 views
When standing 1.25 m in front of an amusement park mirror, you notice that your image is three times taller. What is the radius
7 answers
asked by
Anonymous
4,724 views
When the intensity of light shining on metal increase
2 answers
asked by
Hana
78 views
What is the wavwlentgh in meters of orange light of wavelength 615nm?
Convert 6ft to meters and 168lb to kg.
4 answers
asked by
Jing
1,961 views
Describe how the wavelets that form in the wavefront apparently vanish behind it?
1 answer
asked by
Farah
477 views
What is colour filter
2 answers
asked by
Chioma
70 views
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