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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.
Define Primary motor cortex corticospinal interneuron A Primary motor cortex (M1) corticospinal interneuron A that produces action potentials during movements of the big toe of
The intermediates in the cycle give precursors for various biosynthetic pathways. An instance is as given below: - From citrate synthesis of fatty acids; - Amino acid synth
the characteristics of flying fish belong to pisces
Nutritional and Infections The interaction between nutrition and infection is synergistic - that is nutritional deficiency lowers resistance to infection and infection ag
what do our brain and heart do when we are asleep?
Which of the following serves as a controlled variable in a negative feedback system? A. Levels of hydrogen ions in the interstitial spaces of the brainstem. B. Blood plasma
Pulmonary Autograft and Ross Procedure : Sir Donald Ross in 1967 introduced the concept of using patient's own pulmonary valve (autograft) for aortic valve replacement and a pul
why does each muscle need an antagonistic partner
Age-Sex Distribution While studying exponential growth we need to know more than just the birth and death rates because these rates vary with age and sex. Age structure in a
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