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Optics
Page 5
Questions (4,169)
Light travels:
a in bendy lines b in curves c in straight lines d around corners
4 answers
asked by
kali
119 views
Refraction is:
a when light is slowed down and bent by an object b when light reflects off of the surface of an object c when
1 answer
asked by
kali
89 views
The angle of reflection is:
a equal to the angle of incidence b 180 degrees to the angle of incidence c opposite to the angle of
1 answer
asked by
kali
120 views
Would this material have regular reflection or diffuse reflection?
regular reflection diffuse reflection
1 answer
asked by
da
55 views
Light travels:
a in curves b in straight lines c in bendy lines d around corners
1 answer
asked by
T
69 views
A diamond has an index of refraction of 2.4, and a sapphire has an index of refraction of 1.7. In which material will light move
1 answer
asked by
da
82 views
If the index of refraction is ___, then you know that the speed of light slowed down as the light traveled through the material.
1 answer
asked by
da
57 views
Refraction is:
a when light reflects off of the surface of an object b when light passes straight through an object c when light
1 answer
asked by
T
70 views
The angle of reflection is:
a 90 degrees to the angle of incidence b equal to the angle of incidence c 180 degrees to the angle
1 answer
asked by
T
74 views
Which is a curved piece of glass or other transparent material used to refract light?
a. a concave lens b. an optical fiber c. a
1 answer
asked by
christinaqz
75 views
How are different wavelengths of light affected by entering a prism?
a. the shortest wavelengths are refracted the least b. the
1 answer
asked by
christinaqz
89 views
What does a concave lens look like?
a. flat on one side and bulges out on the other side b. the same thickness in the middle and
1 answer
asked by
christinaqz
76 views
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
100 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
93 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
99 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
180 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
91 views
Light travels:
a in curves b around corners c in straight lines d in bendy lines
2 answers
asked by
no name
121 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
85 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
65 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
122 views
Light travels:
a in curves b in bendy lines c in straight lines d around corners
1 answer
asked by
kali
149 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
106 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
...
88 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
...
70 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
...
99 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
...
67 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
128 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
379 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
649 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
1,232 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
2,008 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
83 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
73 views
What is necessary to achieve total internal reflection?
1 answer
asked by
christinaqz
61 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
101 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
86 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
106 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
87 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
96 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
67 views
One of the following
phenomena must occur whenever white light is dispersed A. Interferes B. Polarization C. Reflection D.
2 answers
asked anonymously
68 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
107 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
94 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
85 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
405 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
82 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
83 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
88 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
67 views
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