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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.
Protozoans - Body Form The protozoan body is usually bound only by the cell membrane called plasmalemma. In some protozoans such as in ciliates the rigidity and the flexibili
Disorders of Pituitary Function: The disorders of pituitary function result in following conditions. Hypopituitarism : Growth Hormone (GH) Deficiency Hypopituitarism is
What are the typical features of mammals? The typical features of mammals are: body (more or less) covered with hair; presence of the diaphragm muscle (that divides the thorax
Production of Rare Hybrids Hybridization is a well established plant breeding procedure to obtain superior plants by combining useful characters distributed in different plan
what is obelia write its external feature and mainly economic important
What are the four characteristics that all chordates have at some stage of their lifecycle ?
How different are the concepts of action potential, resting potential and excitation threshold concerning neurons? Action potential is the maximum positive voltage level achiev
1. In guinea pigs, black coat color (B) is dominant to white (b), and a rough coat (R) is dominant to smooth (r). What are the expected genotypic and phenotypic results of the foll
Which statement is correct? A. Synapomorphies identify monophyletic groups. B. A synapomorphy may arise due to covergent evolution. C. A synapomorphy is an ancestral trait. D. Syna
What are the three major steps for a good study of a genetic family tree? Step 1: Determine whether the studied phenotypical form has a dominant or the recessive pattern. Step
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