1. ______ lamp is used in OT light
(A) Mercury
(B) Sodium
(C) Tungsten
(D) Halogen
2. ______ is used to remove the heat from light
(A) Chemical filter
(B) Thermal filter
(C) Hydrogen filter
(D) LC filter
3. ______ is used in OT light for direction of light in specified position
(A) Convector
(B) None of these
(C) Director
(D) Reflector
4. ______ is used to reflect the light for shadow-less object
(A) Reflector
(B) Convector
(C) Director
(D) None of these
5. The OT light is used in __________
(A) OPD
(B) ENT department
(C) Dental department
(D) Operation theater