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What is the unit of transmittance?
There is none.
Is transmittance a more accurate measurement?
Transmittance is a measurement of the amount of light that is able to pass through a material, and it can be used to accurately determine the amount of light that is transmitted. However, the accuracy of the measurement depends on factors such as the quality of the equipment used and the conditions under which the measurement is taken. Therefore, while transmittance can provide an accurate measurement, it is important to ensure that proper procedures and equipment are used to minimize errors.
What is the average of 82 percent 94 percent 89 percent and 91 percent?
The average of 82 percent, 94 percent, 89 percent, and 91 percent is 89 percent.
If you get an 85 percent 79 percent 92 percent and 100 percent what would your overall grade be?
(85 percent + 79 percent + 92 percent + 100 percent)/4 = 89 percent
What percent of 92 percent is 72 percent?
72 percent is 78.26% of 92 percent.
How do you convert percent transmittance to mgL?
how do you convert percent transmittance to mg/l
How can you figure out Absorbance without percent transmittance?
A=logIo/I
What is the relationship between absorbance and transmittance?
Absorbance = -log (percent transmittance/100)
Light transmittance can be more then 100 percent?
No, light transmittance cannot be more than 100 percent. Transmittance is a measure of how much light passes through a material or substance, and it is typically expressed as a percentage between 0% and 100%. If light transmittance were to exceed 100%, it would imply that more light is transmitted than actually strikes the material, which is not physically possible.
What reasons can you give for the difference in the percentage of transmittance between the live chlorplats that were incubated in the light and those that were kept in the dark?
The difference in percentage of transmittance between live chloroplasts incubated in light vs. dark may be due to the light-dependent reactions of photosynthesis. In the light, chloroplasts undergo photosynthesis, leading to the absorption of light energy and production of oxygen, which can affect the transmittance. In contrast, chloroplasts kept in the dark are not actively performing photosynthesis, resulting in different levels of pigment activation and physical changes that can influence transmittance measurements.
Why do ir spectra seldom show regions at which the transmittance is 100 percent?
IR spectra seldom show regions at 100% transmittance because most molecules absorb some infrared radiation due to their unique bond vibrations. Even if there are no absorptions in a particular region, factors like impurities, instrument noise, or scattering can lead to a lack of complete transmittance.
What is the unit of transmittance?
There is none.
What is the advantage of reading the absorbance rather than the percent transmittance on the spectrophotometer?
Reading absorbance values is advantageous because it provides a linear relationship with concentration, making it easier to quantify the amount of substance present in a sample. Percent transmittance, on the other hand, is a non-linear measurement that can be affected by factors like stray light, making it less accurate for quantitative analysis.
Why do chemists prefer to read the absorbance rather than the percent transmittance of lght when analyzing a sample having a visible color?
Chemists prefer to read the absorbance rather than the percent transmittance of light when analyzing a sample with a visible color because absorbance is directly proportional to concentration according to the Beer-Lambert Law. This allows for more accurate quantification of the sample's components. In contrast, percent transmittance may not provide a linear response and can be influenced by factors beyond just concentration, such as the color of the sample itself.
The lower transmittance of film indicates higher absorption or reflectance?
The lower transmittance of film would indicate a higher Optical Density (OD), or absorption, because as concentration increases, % transmittance will decrease. This is because of Beer's Law (A = 2.00 -[log (%T)]). As you can see from the equation, transmittance is directly proportional to the outcome of absorption. High %T = Lower Absorption.Low %T = Higher Absorption.
What happens to light that strikes clear plastic?
Light can pass through clear plastic, with some of it being absorbed and some being transmitted. The amount of light that is transmitted or absorbed depends on the thickness and composition of the plastic.
If the transmittance is 0.34 what is the absorption?
A=-logT A=-log 0.34 A= -0.4685
