# optics

83 results

### laser optics

what is laser optics, how laser optics work?

### engineerig science

I have to make a power point on fiber optic cable i need links on how to make fiber optics cable actually the real question is what engineers might do in companines that produce fiber optics cable. To answer the question, I would have to explain the steps how engineers make a ...

What is optics?

### Fiber Optics

What is fiber optics?

### optics

I want to substitude the ray optics analysis with what are the resultant waves that happen. I say "resultant" because many waves that would exist if they were alone, as they are not alone, after their superposition with the other waves become some resultant waves which are not...

### physics

what are the different layers of fiber optics

### Physics

What do u mean by phase in wave optics??

### Optics

How to find critical angle using n?

### optics

what is the success rate of laser eye surgery?

### optics

An objuect is located 20cm in front of a -3.00 lens where is the image?

### science (optics)

explain the process of accommodation in the human eye. thanks :)

### wave optics

what kind of waves sensitive human ear

### Gr 11 Physics Optics Unit

Explain why a virtual image must always be upright.

### Physics/ optics

An object is located 25cm in front of a +6.00 lens, where is the image? is it real or virtual?

### mis

what is the function of fiber optics communication cable and enterprise software for the it system in a school?

### MATH/OPTICS

given di=145, do=38,hi=-97 formula: hi/ho=-di/do how do i rearrange this?? i do not want the answer. need help rearranging equation please help!!

### science (optics)

Explain why inverted imgaes are produced by the eye yet we see upright images. Thanks :)

### Optics

Find the focal length of a double concave lens made of glass (n=1.52), having radii of curvature of 6.5 cm and 7.5 cm.

### optics

Describe how you could find the focus of a converging lens using a candle, a sheet of white paper, and a ruler (be explicit)?

### Physics/Optics

What would the image size of the moon be if you photographed it at Cassegrain focus of a 24-inch telescope with a focal length of 9600mm?

### physics(optics)

The critical angle between an equilateral prism and air is 45 degrees.if the incident ray is perpendicular to the refracting surface,then what happens?

### Waves and optics

Find the binding energy per nucleon in J and eV for the three following isotopes, given their atomic masses in u: 22(A) 6(Z) of carbon 22.0572097 u

### physics

show that 1/sqrt(Msubscript 0 Esubscript 0)=C...I don't understand how to show this or what this question is asking..its for wave optics

### optics

Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve

### physics

what is the physics principle behind fiber optics??

### physics

what is the physics principle behind fiber optics

### physics/optics

Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve

### Optics

Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).

### physics-optics

Two narrow slits are 0.25mm apart. The dark fringe of order 55 is 0.8 degrees from the central bright fringe. What is the wavelength of the light?

### Optics

An object, 12 cm tall, is placed 8.0 cm in front of a convex mirror with a radius of curvature of 7.0 cm. Use the mirror formula to determine the position and height of the image.

### physics

physics behind fibre optics

### Optics/Physics

Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm. (Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the Earth.)

### WAVE OPTICS

A traviling wave is discribed by the equation Y= exp(-az^2-bt^2-2underadical(ab zt)) 1,in what direction is the wavetravelling 2,what is the wave speed

### theoretical optics

Whereb must an object be placed from a concave mirror of radius of curvature of 6cm. to give an image on a screen four times as large as the object

### Physics, ray optics

An astronomical telescope of magnifying power 7, consist of two thin lenses 40 cm apart in normal adjustment. Find the focal length of the lenses.

### physics-optics

In a Young's double-slit experiment, the slits are 0.4mm apart and are illuminated by laser light of wavelength 602.4nm. The screen is 3.1m away. What is the number of dark fringes per centimetre?

### optics

Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve I have had a look at that website but still struggling

### optics ray tracing

light travels in a straight line, why is this important for the technique of ray tracing?

### wave optics

A double slit arrangement is illuminated first with red, then with blue light. a. which one has wider fringes? b. which one produces more fringes?

### wave optics

A double slit arrangement is illuminated first with red, then with blue light. a. which one has wider fringes? b. which one produces more fringes?

### Physics - optics

the index of refraction of ruby is less than the index of refraction of diamond, Why?

### physics-optics

The index of refraction of Ruby is less than the index of refraction of diamond. Why?

### gen physics II optics

Find the radius of a star image formed on the retina of the eye if the aperture (pupil) diameter at night is 0.70 cm and the length of the eye is 3.1 cm. Assume the wavelength of the starlight in the eye is 500 nm. (1nm=10^9 m)

### Physics

Subject: Light and Geometric Optics Question: Where must a light source be placed in front of a concave mirror for a) light energy to be concentrated to a single point b)the light to be reflected in a parallel beam?

### PHYSICS

What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection? I ALREADY SOLVED THIS QUESTION, BUT I NEED SOMEONE TO GIVE ME THE EXACT USE ...

### OPTICS

A real object is placed 25cm in front of a thin meniscus lens with a Power of +8.25 and index of refraction of 1.50. What is the radius of curvature of the back surface of the lens to which an image is formed 50cm away? I HAVE NO IDEA WHERE TO EVEN BEGIN?

### physics-optics

Two speakers are separated by a distance of 3.4 m. A point P is placed at 5.7 m from one of the speakers so that they form a right triangle. If the speed of sound in this situation is 340 m/s and the speakers are in phase, what is the lowest frequency for which the intensity ...

### Waves and Optics

A string stretched between two supports sets up standing waves with two nodes between the ends when driven at a frequency of 230Hz.What order is such a wave?

### physics

please give me some idea for making a working model based on optics. Like combination of light and lenses, spectrum etc......& how can i make a working model with the use of contact lenses....

### Optics

A converging beam of light passes through a diverging lens of focal length 20cm and comes to focus at a distance 30cm behind the lens.Find the position at which beam would converge in the absence of lens?

### Geo. & Wave Optics

An astronomical telescope consists an objective of focal lenght 100cm and an eyepiece of focal lenght 8cm. calculate the angular magnification of the telescope and also determine the distance between the two lenses.

### Geometric & Wave Optics

An astronomical telescope consists an objective of focal lenght 100cm and an eyepiece of focal lenght 8cm. calculate the angular magnification of the telescope and also determine the distance between the two lenses.

### Science - Optics

A lens has a magnification of +2.0 and if the focal length is +10 find the impage position and the object position. The type of lens is a diverging lens, but how do i find the di and the do if nothing else is given?

### theoretical optics

A man 1.5meter tall stands in front of a concave mirror whose radius is 30cm. Find the position of the man that will lead to his image on the screen 20 cm. from the mirror. How big is the man's image?

### OPTICS

PLEASE HELP! A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?

### optics in physics

acorridor is lighted by 4 lamps s10cm apart and suspended at a height of 5m above the centre of the floor. if each lamp gives 200cp in all directions below the horinzontal, find the illumination at the point on the floor mid-way between the second and third lamps

### OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!

A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?

### physics-optics

Light of wavelength 649nm illuminates two slits, which are 1.6mm apart. A fringe pattern appears on a screen 2.7m from the slits. What is the distance between dark fringe number 4 and dark fringe number 5?

### Geometric & Wave Optics

when an object is placed 10cm away from a lens; it is found that the formed is 6cm behind the object on the same side of the lens. Determine the focal lenght of the lens. solution 1/v + 1/u = 1/f u=10cm, v=6cm, f=? 6+10/60 = 1/f 70/60 = 1/f by cross multiply we have 70 x f = ...

### Physics (optics) - Black Body Radiation

If you use a filter that transmits only between 1.95-2.05 um, what is the total power falling ona 1 cm^2 detector 1m away from a 1cm^2 1000K black body? I know the formula for I and I think I need to integrate something, but I have no idea what formula to use for this problem.

### Mechanics, Waves and Optics

A crate with a total mass of 18.0 kg is pulled by a person along the floor at a constant speed by a rope. The rope is inclined at 20 degree above the horizontal, and the crate moves 20.0 m on a horizontal surface. The coefficient of kinetic friction between the floor and the ...

### Geometric & Wave Optics Correction

when an object is placed 10cm away from a lens; it is found that the formed is 6cm behind the object on the same side of the lens. Determine the focal lenght of the lens. solution 1/v + 1/u = 1/f u=10cm, v=6cm, f=? 6+10/60 = 1/f 70/60 = 1/f by cross multiply we have 70 x f = ...

### Optics (pls help)

To save expenses, you would like to buy the shortest mirror that will allow you see your entire body, should the mirror be A) Half your height B) Two-thirds your height or C)equal to your height ? Does the answer depends on how far away from the mirror you stand? Please I need...

### Physics- Optics

A double lens system is made of +35.0 cm lens (lens #1) and a - 26.0 cm lens (lens #2). Lens #1 is placed at x = 0 cm on a meter stick and lens #2 is placed at x = 30.0 cm. Where on the meter stick will the final image be formed when looking at a distant object? s2"=f2(f1-d)/...

### Ray Optics

Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: --Problem A-- n1 < nf > n2, delta phase is therefore lambda over two. Film thickness ...

### Geometric & Wave Optics

A beam of light wavelenght 560 to availing in air is incident on a surface of a transparent material. The incident beam makes an angle of 65degree with the normal and the refracted beam makes an angle of 45degree with the normal. calculate the refractive index of the material.

### physics

Identify the area of physics that is most relevant to each of the following situations. Explain your reasoning. a. a high school football game b. food preperation for the prom c. playing in the school band d. lightning in a thunderstorm e. wearing a pair of sunglasses outside ...

### Science (optics)

Please help me!!!! A swimmer looks up from underwater in a pool and sees a tree. The light traveling in the air makes an ancle of 40 degrees, with the surface of the water. Calculate the anglethe light ray makes with the surface of the water ( n= 1.33) while traveling in the ...

### science optics

A cosmetic mirror is 50cm from your face and the magnified image of your face is upright. You are told that the focal length of the mirror is 45cm. Explain why this focal length is not possible. I understand that the image would be magnified and upright...that's about it

### optics

A thin, double-convex lens has a refractive index of 1.50. The radius of curvature of the front surface is 15 cm and that of the rear surface is 10 cm. See sketch. (a) How far from the lens would an image of the sun be formed? (b) How far from the lens would an image of a toy ...

### Physics-Optics

A woman can see clearly her right eye only when objects are between 45 cm and 155 cm away. Prescription bifocals should have what powers so that she can see distant objects clearly(upper part) and be able to read a book 25 cm away(lower part) with her right eye? Assume that ...

### Physics ( optics)

A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm behind this lens is a concave lens with a focal length f2 = -13.9 cm. The object to be photographed is 4.06 m in front of the objective lens. How far ...

### Physics-Optics

A point source of light illuminates an aperture 4.00m away. A 18.0 cm -wide bright patch of light appears on a screen 2.00m behind the aperture. I have been trying to use the equation w=(2*wavelength*distance)/aperature width. However, I am not given wavelength and the type of...

### SCIENCE: GR.10 OPTICS CONVEX MIRRORS

A convex security mirror has a focal length of -0.25m. A person with a height of 1.5m is 4m from the mirror. calculate the image distance and image height. AND An object 0.4m tall is placed 2.5m in front of a convex mirror that has a focal length of -90cm. Calculate image ...

### waves and optics

Cherenkov radiation is light emitted by a particle moving through a medium with a speed greater than the speed of light in the medium. (Note: The speed of the particle is not greater than the speed of light in a vacuum.) Consider a beam of electrons passing through water with ...

### Physics (optics)

A ray of light traveling in air strikes the midpoint of one face of an equiangular glass prism (n = 1.74) at an angle of exactly 30.0â—¦ Trace the path of the light ray through the glass and find the angle of incidence of the ray at the bottom of the prism. Answer in units...

### physics

The ball is in the pool (point A) to the edge of which is an observer (point B). A minimum distance ball from the edge of the pool is 36 m (point C), and an observer to that point has to walk along the edge of 42 m. a) If the speed of walking along the edge of the pool of 1.5 ...

### art

Match the following. 1. presence suggested by the light in Leonardo da Vinci's paintings The Last Supper 2. painting that displays chiaroscuro shadows 3. important element in chiaroscuro painting Virgin of the Rocks 4. da Vinci's favorite composition La Gioconda 5. his ...

### quantum optics

You are doing a Ramsey experiment as described in the lecture: You prepare a beam of atoms in a state |1⟩, you do a π/2 pulse with a Rabi frequency of Ω0=(2π)⋅500 Hz and a detuning of δ=(2π)⋅3 Hz to the |1⟩→|2⟩ ...

### Calculus

Foggy optics, inc. makes laboratory microscopes. setting up each production run costs \$2500. Insurance costs, based on the average number of microscopes in the warehouse, amount to \$20 per microscope per year. storage costs, based on the maximum number of microscopes in the ...

### Physics - Optics

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 to the right of the slide. The image is larger than the size of the slide by a factor of 82.0. How far is the slide from the lens? Is the image ...

### General Physics II

Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: --Problem A-- n1 < nf > n2, delta phase is therefore lambda over two. Film thickness ...

### Intro. to Comp.

Can you help with these questions? 1.Your company has a state of the art WAN,which connects over fifty offices throughout the world. Because of the global nature of its business,long distance phone service is a huge cost for them. What might you suggest that may save money on ...

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