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Optics
Page 5
Questions (4,275)
How does a refracting telescope change the image seen by a scientist?
a. It uses two mirrors and a convex lens to make small
1 answer
asked by
christinaqz
103 views
What do refracting and reflection telescopes have in common?
a. They both use a convex lens in the eyepiece to focus light. b.
1 answer
asked by
christinaqz
98 views
What do refracting and reflection telescopes have in common?
a. They both use a convex lens in the eyepiece to focus light. b.
1 answer
asked by
christinaqz
108 views
What is needed to build a laser?
two fully reflective mirrors two partially reflective mirrors a partially reflective mirror and
1 answer
asked by
christinaqz
92 views
Light travels:
a in curves b around corners c in straight lines d in bendy lines
2 answers
asked by
no name
125 views
Refraction is:
a when light reflects off of the surface of an object b when light is stopped by an object c when light passes
1 answer
asked by
no name
88 views
If the thimble is 2.50 cm tall and has a focal length of 11.0 cm, how tall is the image of the thimble? What is its orientation?
1 answer
asked by
Mars
69 views
How would you describe the image that would be produced by the convex lens in the drawing?
a real, upside-down image at point B a
19 answers
asked by
Pikothemidnightmoose
130 views
Light travels:
a in curves b in bendy lines c in straight lines d around corners
1 answer
asked by
kali
153 views
Refraction is:
a when light passes straight through an object b when light is stopped by an object c when light reflects off of
1 answer
asked by
kali
123 views
A student is building a model of a lens that will spread light over the biggest space. Which best describes the type of model
1 answer
asked by
...
91 views
What causes light to slow down?
a moving into a vacuum b moving into a denser medium c moving into a less adhesive medium d
1 answer
asked by
...
76 views
A student has to create a model of a convex lens. Which property of a convex lens should the student include in the model?
a The
1 answer
asked by
...
105 views
What happens when light waves travel from air through a denser medium?
a They will speed up and bend. b They continue to travel
1 answer
asked by
...
70 views
The angle of reflection is:
a opposite to the angle of incidence b 180 degrees to the angle of incidence c equal to the angle of
1 answer
asked by
kali
135 views
An eyepiece is made of two positive thin lenses, each of focal length f = 20 mm, separated by a distance of 16 mm. (a) Where
1 answer
asked by
saba
386 views
Which tool does NOT have lenses to Refract?
A. Camera B. Mirror C. Telescope D. Binoculars Some telescopes have no lenses. Look
3 answers
asked by
Missy
653 views
n object is placed 40 cm from a lens of focal length -10 cm. The image is virtual or real? inverted or upright? diminshed or
4 answers
asked by
rebecca
1,240 views
What is the separation of colors in a rainbow produced by?
(Points : 1) different diffraction for different wavelengths different
4 answers
asked by
Taylor
2,022 views
Total internal reflection _____.
causes light rays to travel in parallel lines through optical fiber allows no light to escape
1 answer
asked by
christinaqz
87 views
What is necessary to achieve total internal reflection?
a large angle of incidence a mirror a small angle of incidence an optical
1 answer
asked by
christinaqz
77 views
What is necessary to achieve total internal reflection?
1 answer
asked by
christinaqz
64 views
Total internal reflection _____.
allows no light to escape from an optical fiber allows most laser light to be reflected inside
2 answers
asked by
christinaqz
108 views
What is necessary to achieve total internal reflection?
a small angle of incidence a large angle of incidence a mirror an optical
1 answer
asked by
christinaqz
89 views
Which statement is not true of optical fiber?
a. Optical fiber can be made either of glass or plastic. b. Optical fiber
1 answer
asked by
christinaqz
111 views
Total internal reflection _____.
allows most laser light to be reflected inside an optical fiber causes light rays to travel in
1 answer
asked by
christinaqz
92 views
determine the type and focal length of a lens that has the same power as a combination of a thin converging lens of focal length
2 answers
asked anonymously
101 views
A convex lens of focal length
f, forms a real image whose size is the same as that of the object. The object distance is equal A.
2 answers
asked anonymously
72 views
One of the following
phenomena must occur whenever white light is dispersed A. Interferes B. Polarization C. Reflection D.
2 answers
asked anonymously
73 views
An object is placed 20cm in
front of a concave mirror whose focal length is 10cm. where and how is the image formed? A. Center of
2 answers
asked anonymously
120 views
A ray of light is incident on an equilateral triangular glass prism of refractive index 3/2, Calculate the angle through which
2 answers
asked anonymously
95 views
converging, lens of 15crn
focal length forms an image of an object placed 9cm from it. What is its position and magnification? A.
2 answers
asked anonymously
92 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
63 answers
asked by
Answers Cheap & Fast
443 views
Light of wavelength 575nm is directed at a metallic surface with a work function of 1.60eV.
(a) if the maximum kinetic energy is
1 answer
asked by
oyebodegoldencity
91 views
A helium-neon laser produces light with a wavelength of 638 nm. when this light is shone though a double slit apparatus, an
1 answer
asked by
oyebodegoldencity
87 views
In looking at a series of bright and dark fringes on a screen, how would one determine whether the pattern was created by a
1 answer
asked by
oyebodegoldencity
95 views
Match the term with the correct definition.
Lumen a nuclear reaction in which the nucleus of atoms are joined a nuclear reaction
1 answer
asked by
uh9bryr
70 views
13.
Choose the best answer. The line drawn perpendicular to the surface of a new medium is called the _____. x axis y axis normal
1 answer
asked by
uh9bryr
66 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
3,008 views
Diffraction from an unknown cubic metal is observed to occur at the following value of θ when using CuKα radiation. Determine
3 answers
asked by
Anonymous
598 views
A 1.5 m tall man stands 2 m in front of a flat wall mirror. Please find: image distance and height of image
I have the formulas
2 answers
asked by
sonia
1,213 views
A converging lens of
15cm focal length forms an image of an object placed 9 cm from it. What is its position and magnification?
2 answers
asked anonymously
79 views
Two converging lenses, A and B,with focal length F1=20cm and F2=25cm,are placed 80cm apart. An object is placed F0cm in front of
4 answers
asked by
benjamin
1,077 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
1 answer
asked by
0
270 views
Light ray is incident on airglass interface at angle of 70° to
the interphase. Given that the refractive index of glass (n)
7 answers
asked anonymously
90 views
A ray of light is incident on an equilateral triangular glass prism of refractive index 3/2, Calculate the angle through which
2 answers
asked anonymously
78 views
Which of these best describes the relationship between the incident ray the reflected ray and the normal for a curved mirror?
1 answer
asked anonymously
179 views
Unit 8 lesson 2 lens and mirrors
1 answer
asked anonymously
81 views
Role of light in light stage
1 answer
asked by
Betsy
62 views
21.
Match the term with the correct definition. Lumen a nuclear reaction in which the nucleus of atoms are joined the science
1 answer
asked by
klklklkkl
72 views
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