Dominant wavelength Essays

The population of college students in the town of shillong grows drastically with students coming from all corners of North Eastern States and other states as well. It is presumed that a shift from familiar circumstances to new surroundings will generate some kind of feelings of loneliness on individuals. Concept of loneliness and isolation: Being alone is different from being lonely. Loneliness relates to the inner feeling in the deep recesses of the soul. According to Kaitholil (2010) in Coping

Johann Sebastian Bach, Gavotte, from French Suite no. 5 in GM Analysis Johann Sebastian Bach wrote a plethora of harpsichord pieces in his lifetime that have influenced composers for generations. The musical structures and forms used in his music have been replicated and still prevalent in music today. In this paper, I will be looking at how this piece is written in balanced binary form. This piece is part of a collection of small works written by Bach. The French Suits consists of six suits of

light energy for determining the concentration of substances in a solution. (Mark Garcia 2014). The instrument used is called spectrophotometer to distinguish different compounds since they absorb light at different wavelength. Some have wide range of wavelength and the shorter the wavelength the higher the energy. For one to know the absorbed light one has to put a cuvette into a sample holder with a solution and record the amount of light transmitted and absorbed through the solution. A concentration

emission of light and other radiation by matter. Dependence of this process related to the wavelength of the radiation. Spectrometers are used to measure the properties of light over a specific portion of the electromagnetic spectrum. Fig 1: Dispertion of the visiable light 2. Theory Grating Spectrometer: In a spectrometer if diffract light into specific wavelengths then uses grating. In this figure (2) we can see that light passes through the Input slit.

The absorption band for the popular rhodamine – 6G dye is about ~ 100 nm at full width half maximum (FWHM) wide and the fluorescent emission band is about ~ 150 nm wide around the centre wavelength, which shows nearly 50 nm Stokes shift. Rhodamine – 6G exhibits a near unity quantum efficiency and may lose its efficiency, if the dye concentration is too high, due to interaction between the dye molecules. The efficiency of rhodamine – 6G is significantly reduced when highly polar solvents such as

refraction can be shown using Huygens’ principle as well. The concept of diffraction occurs when a wave bends in a way other than reflection or refraction. Diffraction occurs to some degree in every shadow. The amount of diffraction depends on the wavelength and the size of the obstruction that casts

Refraction: Refraction occurs when light enters a more or less optically dense medium, which therefore has a different refractive index (measure of the velocity light can travel at in the medium compared to in a vacuum in which it can travel at 2.9 x 108ms-1). This causes the light’s speed to increase or decrease, which results in the rays bending towards or away from the normal, so the position of the image formed is dependent on the refractive indices of the two media. For refraction to occur

cons Chromatic aberration is a problem that occurs in lenses. It is when a lens is not capable of bringing all wavelengths of colour to the same exact focal length or when the different wavelengths of colour are focused at different areas within the focal plane. “Chromatic aberration is caused by lens desperation, with different colours of light travelling at different speeds while traveling through a

What is light? It is an electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sight. (slideshare, 2014) Light is part of the electromagnetic spectrum, which ranges from radio waves to gamma rays. (Andor, n.d.) The wave theory of light A Dutch astronomer, Christian Huygens, developed the wave theory of light in the late 1600s. In this theory, he thought of light as a longitudinal wave. This theory states that light is emitted in a series of waves that spread

A frequency count is another form of documentation that can help a teacher see what actions a child is performing and how often that action is happening. When using a frequency count, the teacher will use a tally system to record events that happen often For example, if a child is being physical, lets say this child likes to punch or bit, a teacher can use the frequency count to keep track of how often this action occurs. The reason this can be important for a teacher is that in the long run, the

of visible light. From the camera obscura, we could see fuzzy images with single black colors. If the sunlight were not bright enough, the image would be fuzzier. From the prism, we could see refracted spectrum of colors with clearly different wavelengths. From the spectroscope, we could the see different clearer clusters of spectra from various sources of light and elements. These instruments allow you to look at forms of visible light. Describe an experience that told you there were other forms

Introduction: A wave is a disturbance in the medium that transfers energy from one place to another, there are two types of waves; longitudinal waves and transverse waves. Longitudinal waves ' are waves that vibrate or travel in the direction of propagation; back and forth. Transverse waves ' are waves where the medium oscillates at right angles to the direction of the propagation; up and down. Sound waves are categorised as longitudinal waves as they produce oscillations, along with having compressions

their relative ability to absorb light of different wavelengths. These cones are loosely called "blue", "green", and "red" as they are supposed reflect their peak sensitivities on

This is similarly to the way sound was studied, except instead of a sound wavelength, it is a wavelength of a star's radiation. Astronomers use many properties of light to study everything from planets and their moons. This prompted the invention of the Hubble telescope, that proceeded to measure the Doppler shift, specifically finding the

1.The transmitted light that was produced by the flashlight differs in terms of how much solution that was present in a test tube. Given the 5 test tubes, dye solution had the least transmitted light. It had the least transmitted light because the more molecules that is present in a container, the harder the light can pass through. Absorbance is the reason why light had to interact with a lot of molecule that is present in the dye solution. Unlike the clear water light can pass through easily because

The final acoustic attribute that defines the sine-wave tone is its starting phase. Thit does not mean that this phase is not encoded by the auditory system. As phase differences between the sounds reaching each ear result in differences in perceived location of the sound source. The two sounds differ in frequency, with the sound cycling between periods of higher and lower air pressure at a lower rate, or frequency. These physical properties influence how it is displaced by sound; higher frequencies

Sound assignment All sounds are created by vibration. The vibrations create a sound wave in the air by pushing air particles together and spreading them apart many times. 1) Explain what frequency and pitch mean when referring to sound Frequency=The rate per second of a vibration constituting a wave, either in a material (sound waves), or in an electromagnetic field (radio waves and light) pitch= the quality of a sound governed by the rate of vibrations producing it, the degree of highness or

from a optical less dense media such as air into a dense media such as glass,light will refract/bend towards the normal line and the speed and wavelength of the light will decrease. When light travels from a optical dense media into a less optically dense media, light will refract/bend away from the normal as it exits the dense medium.The speed and wavelength of the light will increase. When closely observed, the light will also change the direction it travels as it passes through the two media (Air

Equation method 2) Absorbance Ratio method 3) Geometric Correction method 4) Difference spectrophotometry 5) Derivative spectrophotometry The basis of all the spectrophotometric techniques for multicomponent samples is the property that at all wavelengths, a) The absorbance of a solution is the sum of absorbances f the individual components or b) To measure the absorbnce of sample solution with that of reference standard solution. Simultaneous Equation method If a sample contains two absorbing

polychromatic beam of radiation spread over a few wavelengths. 2. Chemical deviation: - This deviation occurs due to presence of more than one absorbing species in the sample. The measured absorbance in such events is actually the sum of the absorbances of the individual species each having its own absorptivity. 3. Instrumental deviation: - This deviation arises depending upon the bandwidth of the instrument. The bandwidth of the instrument depends upon the wavelength resolving capacity of the system consisting