How is Tungsten Halogen lamp differ from normal Tungsten filament lamp – McqOptions

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1.	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» C. Iodine is coated on tungsten filament

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