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How fast is a change from one light intensity level to another?
Rrew1244
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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.
How spectroscopy is used in quantitative determination?
Its applicable for all spectroscopy, higher is the substance higher is the intensity of light emit or absorbed. Taking some known amount and calculating the intensity ,finally ploting a graph of them . Then for our unknown we can measure intensity and extrapolating graph we can know the amount quantitatively Don't be confuse with intensity and frequency of light. Intensity says about the amount and frequency about energy.
What is the difference between turbidimetry and nephelometry?
Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed particles of a different refractive index from that of the medium, is attenuated in intensity by scattering.In turbidimetry, the intensity of light transmitted through the medium, the unscattered light, is measured.In nephelometry, the intensity of the scattered light is measured, usually, but not necessarily, at right angles to the incident light beam.
What does an absorbance value greater than 2 mean?
The definition of absorbance is A=log( I(0) / I), which is the logarithm (base 10) of the initial intensity of the light passed through the sample divided by the intensity of the light after it has passed through. Let's look at a few values of A and see what these values imply. If A = 0, then I(0) must equal I, which means the intensity doesn't change, which means no light is absorbed. If A = 1, then I(0) / I must equal 10. This means that 90% of the light was absorbed. If A=2, then I(0) / I must equal 100, and 99% of the light was absorbed. If A=3, then I(0) / I must equal 1000, and 99.9% of the light was absorbed. And so on.
What is the refractive index of a substance?
It is the extent of the change in the direction of light as it passes from one transparent medium to another.
What level of intensity is walking down the stairs?
light Intensity A+
A green plant receives more sunlight than usual. Which part of the plant cell would be most directly affected by this change?
chloroplast
Why would it behard to find the ideal co2 level if the light intensity were very low?
because if the light change so would the temperature
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 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 are the sentence of intensity?
The intensity of the basketball players helped them win the tournament.
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 does the word intensity mean?
The word "intensity" means "strength", "amplitude", or "level." For example, one light source, being brighter, may have more intensity than a dimmer one.Without a numerical or comparative value, "intensity" suggests a higher level (more intense), e.g. he always played with intensity.
If you continue to increase the intensity of light that a plant receives what happens?
As the light intensity increases, the rate of photosynthesis will increase and then level off no matter how much brighter the light gets. This is because another limiting factor such as carbon dioxide or water level stops it. If the light gets too bright the heat can burn the leaves.
What is a causal link?
One change in a variable has caused a change in another variable. You can only be reasonably certain of this when you have valid and reliable evidence. e.g. Increasing light intensity causes an increase in the rate of photosynthesis.
What is the light intensity in the arctic?
The light intensity is poop!
