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Define about the Photometry - colorimetry?
Photometry is the measurement of the luminous intensity light or the amount of luminous light falling on a surface from such a source. The term photometric measurement was defined originally as the process used to measure light intensity independent of wavelength. Modern instruments, however, isolate a narrow wavelength range of the spectrum for measurements.
The instruments that use filters for this purpose are referred to as filter photometers, whereas, those that use prisms or gratings are called spectrophotometers. A simple spectrophotometer called a colorimeter is used to measure the amount of light a sample absorbs. The primary analytical utility of filter photometry or spectrophotometry is the isolation and use of discrete portions of the spectrum for purposes of measurement.
Which one of the following has its own DNA? 1. Mitochondria 2. Dictyosome 3. Lysosome 4. Peroxisome Mitochondria
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Explain what is tooth formula? Ans) Formulae of tooth is (2, 1, 3, 2)
What would occur to the successive trophic levels in the pyramid of energy if the rate of reproduction of phytoplankton was slowed down? Suggest two factors, which could cause l
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What is the nitrogen cycle? The nitrogen cycle represents the circulation and recycling of the chemical element nitrogen in nature. The nitrogen cycle basically depends on t
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