How is Tungsten Halogen lamp differ from normal Tungsten filament lamp used in absorption spectroscopy?
A. It has a tungsten filament and is filled with inert gas
B. Iodine is added to normal filling gas
C. Iodine is coated on tungsten filament
D. Iodine is added to inert gas
Answer:B
How is Tungsten Halogen lamp differ from normal Tungsten filament lamp used in absorption spectroscopy?
A. It has a tungsten filament and is filled with inert gas B. Iodine is added to normal filling gas C. Iodine is coated on tungsten filament D. Iodine is added to inert gas
Explanation: In Tungsten filament lamp tungsten filament is enclosed in a bulb of glass filled with inert gas or vacuum. In Tungsten Halogen lamp iodine is added to normal filling glass.