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Mirrors

A mirror reflects light in a way that preserves the original image. They are different from other materials that reflect due to the fact that they do not preserve the original waves. Mirrors used most often have a flat surface where the reflect is perfectly symmetrical. Curves mirrors will produce magnified images that distort the reflected images. Mirrors are used everyday for personal use, decoration and architecture. Mirrors are also used in devices such as telescopes, lasers, cameras and industrial machinery. Most mirrors are designed for visible light.

Looking in a mirror, the image will be reversed from the original image.  A mirror will reverse the image on the forward and backward axis. Left and right will be defined relative to the front and back of the image. Flipping the image front and back and left and right is equivalent to a rotation halfway around the vertical axis.

Multistage Amplifer

Attached figure shows the circuit of a multistage amplifier. Identify the stages and describe the operation and principle features of the amplifier. You should also make an estimate of the maximum output current of the amplifier.

"The Mirror with a Memory"

http://delnortetah.wikispaces.com/file/view/The+Mirror+with+a+Memory.pdf What is the thesis and the main point of this essay?

Hard Disk, Floppy, RAID.

Question 1 a. Give five differences between hard disk and compact disk (CD) as media to store data. b. Why are gaps required when a data structure is set up on a floppy disk during formatting? Question 2 a. What is RAID ? b. Describe the various RAID techniques paying particular attention to their advantages and disadvantag

Statistics of the Criminal Justice System and how they represent a larger role of bias and unequal treatment of minorities in general is discussed in the solution focusing primarily on the disproportionate rate of African Americans incarcerated.

Demographic data such as race, age, gender, and social class are associated with crime and criminal justice and can be illustrative of a larger picture in terms of social justice. For example, the racial composition of inmates in U.S. prisons can be illustrative of larger issues dealing with society, police, and the courts. Thes

Mirror reflection

When a T.rex pursues a jeep in the movie Jurasic Park, we see a reflected image of the T.rex via a side-view mirror, on which is printed the warning: "Objects in mirror are closer than they appear." is the mirror flat, convex, or concave? Explain how your derived at your answer and why it is not he other two options.

Physics: Focal length of mirror, size of the image

A candle flame 1.44 cm high is located 10 cm in front of a circular mirror. A real inverted image forms 5 cm from the mirror. What is the focal length of the mirror? How large is the image? Sketch a ray diagram explaining how the image is formed.

Matched MOSFETs, Mirror circuit, Common-mode range of a differential amplifier

Please see attached file for complete problem description, and provide step by step solution. The differential amplifier in the figure in the attachment uses matched MOSFETs. - Identify the current mirror circuit used to bias this amplifier and describe two ways in which this mirror circuit improves on the performance of a s

Where does the mirror form an image of the light bulb?

A concave mirror of radius of curvature 30.0 cm faces a second concave mirror, of radius of curvature 24.0 cm. The distance between the mirrors is 80.0 cm and their axis coincide. A light bulb is suspended between the mirrors, at a distance of 20.0 cm from the first mirror. (a) Where does the first mirror form an image of the

Magnification of the lens combination, Reflection in sunglasses

5. An object is placed 30 cm to the left of a converging lens of focal length 15 cm, and a diverging lens of focal length 20 cm is placed 45 cm to the right of the first lens. How far from the original object is the final image? What is the magnification of the lens combination? 6. While talking to someone who is wearing sung

Physics: Plane mirrors and reflection

Which of the following statements are true about reflection and plane mirrors? -(True/False Problem) 1. the angle of reflection is defined as the angle that the reflected ray makes with the normal to the reflecting surface. 2. plane mirrors produce images that are upside down. 3. for plane mirrors, the image distanc

Mirrors

The problem below is similar to the problems in chapter 25 & 26 in the Cutnell and Johnson College Physics book so it should be solved in a similar fashion. This is physics-II WITHOUT calculus: You are given a concave mirror with focal length 40.0cm. You start with an objcet 50.0cm high at 160cm in front of the mirror.

Simple Harmonic Motion

Name three example of objects from eveyday life that exhibit Simple Harmonic Motion and estimate the period of the oscillations. if the period changes under certain conditions, discuss what parameters of the object affect the period and how they do so ?

Parallel rays (1)

A plane mirror is placed in front of a multiple ray projector so that the central ray is back upon itself. The other rays are adjusted so they are also reflected back on themselves. In this way, all 5 rays are parallel. A concave mirror is placed in the path of the rays so that the central ray is again reflected back upon

Two people stand 3.0 m away from a large plane mirror and are ...

Two people stand 3.0 m away from a large plane mirror and are 5.0 m apart from each other in a dark room. At what angle of incidence should one of them shine a flashlight on the mirror so that the reflected beam strikes the other person at the same height that the flashlight is held? Assume the person with the flashlight holds i

Reflection of ray from three mutually perpendicular mirrors.

An inside corner of a cube is lined with mirrors to make a corner reflector. A ray of light is reflected successively from each of the three mutually perpendicular mirrors. Show that its final direction is always exactly opposite to its initial direction.

Fabry-Perot interferometer

A Fabry-Perot interferometer is to be used to resolve the mode structure of a He-Ne laser operating at 632.8 nm. The frequency separation between the modes is 150 MHz. The plates are separated by an air gap and have a reflectance (r^2) of 0.999. (a) What is the coefficient of finesse of the instrument? (b) What is the resolvi

mirror of the nose by a spherical salad bowl

You hold a spherical salad bowl 80 cm in front of your face with the bottom of the bowl facing you. The salad bowl is made of polished metal with a 40 cm radius of curvature. Where is the image of your 2.0 cm tall nose located?

Fringes produced by a Fabry-Perot etalon

A source of visible light is placed before an air-spaced Fabry-Perot etalon od diameter 20mm and mirror separation d = 1mm. The light transmitted by the etalon passes through a convex lens of focal length f and is incident on a screen positioned in the focal plane of the lens. For an extended monochromatic source of wavelengt

Image

Suppose you walk with a speed of 1.20 m/s toward a plane mirror. What is the speed of your image relative to you, when your velocity is (a) perpendicular to the mirror and (b) at an angle of 45.0° with respect to the normal to the mirror? Convex mirrors are being used to monitor the aisles in a store. The mirrors have

Mirror and Magnification Equation

A concave mirror (R = 56.0 cm) is used to project a transparent slide onto a wall. The slide is located at a distance of 36.0 cm from the mirror, and a small flashlight shines light through the slide and onto the mirror. The setup is similar to that in Figure 25.19a. (in attachment) (a) How far from the wall should the mirror