Which of the following radiating source is most common and convenient for use in spectrophotometer?
Which of the following radiating source is most common and convenient for use in spectrophotometer? Correct Answer Tungsten Lamp
The function of the radiation source is to provide a sufficient intensity of light which is suitable for making a measurement. The most common and convenient source of light is the tungsten lamp. This lamp consists of a tungsten filament enclosed in a glass envelope. It is cheap, intense and reliable. A major portion of the energy emitted by a tungsten lamp is in the visible region and only about 15 to 20% is in the infrared region.
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Feb 20, 2025