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Optics
Page 4
Questions (4,167)
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
765 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
1,669 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
700 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
553 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
484 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
1,275 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
529 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
4,716 views
When the intensity of light shining on metal increase
2 answers
asked by
Hana
75 views
Describe how the wavelets that form in the wavefront apparently vanish behind it?
1 answer
asked by
Farah
469 views
What is colour filter
2 answers
asked by
Chioma
64 views
which type of light has the most neutral tone
2 answers
asked anonymously
42 views
Franny drew a diagram to compare images produced by concave and convex lenses.
2 overlapping circles, the left circle labeled
5 answers
asked by
Interesting...
125 views
A candle at left of a double convex lens has a blue line straight from the tip of the its flame to near the top left of the lens
4 answers
asked by
Interesting...
76 views
What do diffraction and refraction have in common?
They both involve interference. They both involve wave interactions. They both
2 answers
asked by
Interesting...
130 views
What is reflection
2 answers
asked by
Amy
80 views
In an experiment ,an object was placed on the principal axis of a convex lens 25 centimetres away from the lens. Areal image 4
2 answers
asked by
Aleezay shah
101 views
Add to the diagram to show that light travelling initially along the path XA does not reach the eye of the motorist. You will
2 answers
asked by
Sodeeq
75 views
Light rays from an object 25 cm in front of an eye converge to a point on the retina at the back of the eye. The eye has a depth
2 answers
asked by
Sodeeq
157 views
The diagram below shows light rays from an object 25 cm in front of an eye converging to a point on the retina at the back of
2 answers
asked by
Sodeeq
111 views
Explain the nature of the image formed in a plane mirror.
2 answers
asked by
Brian Giles
162 views
Under the surface of the ocean, it becomes darker as you go deeper. Which statement explains why this occurs?(1 point)
a. more
2 answers
asked by
*farts cutely*
156 views
Light bounces off of a mineral sample. What can you say about the mineral?(1 point)
Responses The mineral is transparent. The
11 answers
asked by
Blizts
228 views
The lens of a telescope has a radius of 1 meter what is the lens area use 3.14
2 answers
asked by
Sherri
60 views
The lens of a telescope has a radius of 1 meter what is the lens circumference use 3.14
2 answers
asked by
Sherri
57 views
magnification produced by a convex lens of focal
length f? A. u + f B. u – f C. v - 1 D. v + 1
2 answers
asked anonymously
64 views
Photons always propagate With speed c. but light appears to travel at a speed different from c in dense media .how can we
2 answers
asked by
Hana
64 views
The maximum kinetic energy of photoelectrons emitted from a surface when a photons of energy 6 EV fall on it is 4 EV.the
2 answers
asked by
Hana
89 views
In Young's double slit experiment, the slit are separated by 0.28mm and the screen is placed 1.4m away . the distance between
2 answers
asked by
Hana
95 views
The fringe width at a distance of 50cm from the slits in Yong's experiment for light of wavelength 6000Angstrom is 0.048cm.find
2 answers
asked by
Hana
77 views
Two slits are made 1mm apart and the screen is placed 1m away. What is the fringes separation when blue -green light of
2 answers
asked by
Hana
71 views
The fringe width at a distance of 50cm from the slits in Young's experiment for light of wavelength 6000Angstrom is 0.048cm.
2 answers
asked by
Hana
81 views
In Young's double slit experiment carries out with light of wavelength =5000Angstrom, the distance between the slit us 0.2mm and
2 answers
asked by
Hana
91 views
The device which produced highly coherent source is
A.Fresnel bi prism B.laser C.Young's double slit D. Lloyd's mirror
2 answers
asked by
Hana
56 views
Wave length of a monochromatic length light us 500Angstrom. Find the wave number?
2 answers
asked by
Hana
50 views
In two separate set-ups of Young's double slit experiment using light of the same wavelength , fringes of equal width are
2 answers
asked by
Hana
108 views
Which equation connects the focal length, f, the position of the viewed object, XOXO, and the position of the image, Xi, for a
2 answers
asked by
Milo
79 views
Which statement best describes the position of the image of an object viewed in a plane mirror?
2 answers
asked by
Milo
82 views
differentiate soft and hard rays
2 answers
asked by
kiaan
50 views
Refract
1.to bend light waves because of a change in media 2.the collision of two waves of the same frequency 3.a clear, solid
2 answers
asked by
fe
87 views
Refract
1.to bend light waves because of a change in media 2.the collision of two waves of the same frequency 3.a clear, solid
2 answers
asked by
fe
99 views
Which picture shows how a mirror reflects light?
2 answers
asked by
u
80 views
What angle of incidence is required for total internal reflection?
a 90° angle a 180° angle a small angle a large angle
44 answers
asked by
Pikothemidnightmoose
124 views
Determine the image distance and image height for a 50.0cm tall object placed 48.0cm from a converging lens having a focal
1 answer
asked by
Nicole Purkikil
103 views
When light waves are refracted, if they bend toward the normal they are (slowing down/speeding up) and if they are bent away
1 answer
asked by
ok
66 views
What is the position of an image in a curved mirror if the object is 25cm from the concave mirror with a focal length of 5 cm?
1 answer
asked by
ok
123 views
What is the position of an image in a curved mirror if the object is 25cm from the concave mirror with a focal length of 5 cm?
4.
1 answer
asked by
ok
123 views
What is the position of an image in a curved mirror if the object is 25cm from the concave mirror with a focal length of 5 cm?
1 answer
asked by
ok
87 views
Refraction is:
a when light passes straight through an object b when light reflects off of the surface of an object c when light
2 answers
asked by
gg
110 views
The angle of reflection is:
a 180 degrees to the angle of incidence b 90 degrees to the angle of incidence c opposite to the
1 answer
asked by
gg
81 views
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