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How a spectrophotometer measure change of colour?
A spectrophotometer measures the change in color by analyzing the amount of light absorbed or transmitted by a sample at different wavelengths. It quantifies the intensity of light absorbed by the sample and then converts this data into a measurable color change. This is done by comparing the absorbance spectrum of the sample to that of a reference.
WHY DOES THE CONCENTRAtion of oxygen increase as the light intensity increases?
As light intensity increases, the rate of photosynthesis in plants also increases. This results in the plant consuming more carbon dioxide and producing more oxygen as a byproduct. Therefore, the concentration of oxygen increases as the light intensity increases.
What is the relationship between the kinetic energy of ejected electrons and the intensity of incident light in the photoelectric effect?
In the photoelectric effect, the kinetic energy of ejected electrons is directly proportional to the intensity of the incident light. This means that higher intensity light results in higher kinetic energy of the ejected electrons.
Is a photometer an instrument that measures the intensity of the incoming light and quantifies it into numerical data?
Yes. A photometer is an instrument that measures the intensity of the incoming light and quantifies it into numerical data. A photometer is a light sensitive device and measure the power of light.
The diaphragm determines how much light shines on the specimen?
The diaphragm controls the amount of light that passes through the specimen in a microscope. By adjusting the diaphragm, you can change the intensity and focus of the light, which can enhance the visibility of the specimen and provide better contrast for finer details to be observed.
What level of intensity is walking down the stairs?
light Intensity A+
Refer to your graph of productivity and light intensity At what light intensity do you expect there to be?
The graph shows that productivity increases with increasing light intensity, reaching a peak before plateauing. Therefore, at the light intensity where productivity peaks, you would expect the highest productivity level before it starts to level off.
What are sensitive to change in the intensity of light energy'?
photoreceptors
Does darkness have a speed?
no, it is the speed of light just at a lower level of intensity. Light travels and never ends even when it hits a planet light still exist just at a lower intensity.
What happens to the intensity of light when it enters a dnser medium?
There's no reason to expect that the intensity of light must necessarily change when it enters a different medium.
What are the sentence of intensity?
The intensity of the basketball players helped them win the tournament.
If the distance from the light source is tripled how much does the light intensity change?
The light intensity decreases by a factor of nine when the distance from the light source is tripled. This relationship is governed by the inverse square law, which states that the intensity of light is inversely proportional to the square of the distance from the source.
Why would it behard to find the ideal co2 level if the light intensity were very low?
It would be hard to find the ideal CO2 level if the light intensity were very low because plants rely on light for photosynthesis, which produces the energy they need to utilize the CO2. If there is low light, the plant's ability to uptake and use the CO2 efficiently is compromised, making it difficult to determine the optimal CO2 level needed for healthy growth.
What is a light intensity knob?
The light intensity knob is found on light microscopes and allows you to change the intensity of the light on the sample. Different light intensities allow you to view different parts more clearly.
What is the intensity light weight is measured in?
Intensity of light is measured in units called lux (lx). Lux is defined as the amount of light intensity or luminous flux per unit area. It helps quantify the level of brightness perceived by the human eye.
What is the effect of varying the intensity of light on a sphere's surface?
The effect of varying the intensity of light on a sphere's surface is that it will change the brightness and shadow patterns on the sphere. Higher light intensity will result in a brighter appearance and sharper shadows, while lower light intensity will make the sphere appear dimmer with softer shadows.
How do you control light intensity?
Light intensity can be controlled by adjusting the power input to the light source, by using a dimmer switch or a variable resistor. Another way to control light intensity is by using filters or shades to reduce the amount of light emitted. Advanced techniques include using a feedback system that automatically adjusts the light intensity based on environmental conditions.
