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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.
Endospores are found in prokaryotes or eukaryotes?
Dissolved oxygen - Aquatic Habitats Oxygen in the terrestrial ecosystems occurs in the atmosphere along with other gases in a certain fixed concentration however, in aquatic e
classification on taxonomy
Biota of Lakes Lakes exhibit life zones. So far you have been reading about the vertical zonation of lakes. The lakes can be divided into horizontal zones as well. This divis
Cytology: The study of form or culture including the behavior of nucleus and other organelles is called cytology. Cytology means "the study of cells". Cytology is the branch of lif
Q. What is Atomic constipation? This type is most common; often it is called the "lazy .bowel". There is a loss of muscle tone causing weak peristalsis, the causes are: a) L
Undescended Testes (Cryptorchidism) Undescended testes is a ccmmon disorder. It may be unilateral and may be classified as ectopic cryptorchidism, when the testes are normal
Ventilation of Tracheal System - Diffusion Gaseous exchange due to diffusion generally takes care of the oxygen needs of most small insects. Similarly fairly large but inactiv
virus symmetry
Family Centred Activities to Ensure Harmonious Relationship: Between various members of the family attitudes of mutual trust, love and respect for one another need to be fo
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