1.They are those normally used for interior and exterior general and task lighting.
a.Glow lamps
b.Large lamps
c.Miniature lamps
d.Photographic lamps

2.They are used in photography and projection service.
a.Glow lamps
b.Large lamps
c.Miniature lamps
d Photographic lamps

3.They are used in automotive, aircraft, and appliance application.
a.Glow lamps
b.Large lamps
c.Miniature lamps
d.Photographic lamps

4.It is an electric discharge lamp in which the light is produced by the radiation from an excited mixture of a metallic vapor and the products of the dissociation of halides.
a.High-pressure sodium lamp
b.LED lamp
c.Mercury Lamp
d.Metal Halide Lamp

5.It is an electric discharge lamp in which the major portion of the radiation is produced by the excitation of mercury atoms
a.High-pressure sodium lamp
b.LED lamp
c.Mercury Lamp
d.Metal Halide Lamp​