Questions LLC
Login
or
Sign Up
Ask a New Question
Optics
Page 2
Questions (4,165)
a ray of light (f = 5.09 x 10^14 Hz) traveling in air strikes a block of sodium chloride at an angle of incidence of 30 degrees.
5 answers
asked by
Anonymous
7,118 views
If the speed of light through material Z is
2.5×10^8 m/s, what is this material’s index of refraction? The speed of light in a
5 answers
asked by
Maria
6,959 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
5,115 views
We were doing a refraction lab where you passed a lazer beam through a water in a semi-circular dish. I was wondering why we
7 answers
asked by
Lena
2,930 views
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
2,211 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
498 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####
6,804 views
The intensity I of an x-ray after it has passed through a material that is x centimeters thick is given by I = I0e^–kx, where
4 answers
asked by
Dale
2,258 views
A single vertical slit of width 24000 nm is located 2.10 m from a screen. The intensity pattern below is observed. The distances
6 answers
asked by
Kid
2,020 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
3,821 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
556 views
An object 5cm high is placed at a distance 12cm from a convex lens of focal length 8 cm.calculate the position,size and nature
7 answers
asked by
Stanley
1,287 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
2,767 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
5,063 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
822 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
1,526 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
190 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
1,839 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
2,252 views
An important property of fiber optic is
1 Degradation 2. Refraction 3. Radiation 4. Noise
3 answers
asked by
Usman atiq
118 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
46 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
153 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
1,416 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
1,943 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
62 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
3,001 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
7 answers
asked by
noodle
803 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
106 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
4,020 views
A model shows rays of sunlight moving straight from the sun perpendicular to the surface of the Earth. What are these rays
4 answers
asked by
Z
2,077 views
The speed of light is 3 „e 108 m/s (300,000,000 m/s). Red light has a wavelength of 7 „e 10-7 m (0.0000007 m). What is its
4 answers
asked by
wendell
4,105 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
1,873 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
6,041 views
The magnification of a convex mirror is +0.65X for objects 2.8 m from the mirror. What is the focal length of this mirror?
5 answers
asked by
Anonymous
2,753 views
Laser Pointers emit light waves whose wavelength is 670 nm. What is the frequency for this light?
4 answers
asked by
Charles
3,023 views
Galileo's first telescope used a convex objective lens with a focal length f = 1.65 m and a concave eyepiece. When this
3 answers
asked by
Samantha
1,183 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
2,829 views
Trucks often have signs on their backs that say, "If you can't see my mirrors, I can't see you." Explain the physics here.
4 answers
asked by
Celeste
3,672 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
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!
1,302 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
2,729 views
what is the critical angle for light passing from(n=1.54) to (n=1.33)
4 answers
asked by
Evans
2,475 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
2,242 views
Two radio antennas simultaneously transmit identical signals with a wavelength of 3.35 m. A radio several miles away in a car
4 answers
asked by
anonymous
1,820 views
In separate experiments, an object is placed 12.0 cm in front of two different mirrors: a
flat mirror and a convex mirror. The
4 answers
asked by
Amy
1,074 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
1,195 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
1,413 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
4,604 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
601 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (30)
Applied physics
Astronomy
Chemistry
Electromagnetic Waves
Electromagnetism
Fluid Mechanics
Geometry
Mathematics
Mathematics and Physics
Mathematics and Science
Organic Chemistry
Physical phenomena
Physical properties of matter
Physical Science
Physical Sciences
Physics
Physics or Engineering
Physics or Science
Physics/Science
Science
Science (or Physics, specifically)
Science and Mathematics
Science and Physics
Science and Technology
Science Education
Science Lab
Science or Physics
Science/Essential Concepts
Science/Physics
Technology