Electric Illumination Quiz Set 1

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Created by Surendra

Electric Illumination Quiz in English Set 1

All Important Question Answers for Electrician Related Exams

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Carbon arc lamps are commonly used in

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Light waves travel with a velocity of

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The unit of luminous flux is

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Luminous efficiency of a fluorescent tube is

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Radiant efficiency of the luminous source depends on

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Which of the following will need lowest level of illumination ?

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The illumination is directly proportional to the cosine of the angle made by the normal to the illuminated surface with the direction of the incident flux. Above statement is associated with

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Which of the following will need the highest level of illumination ?

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Which photometer depends for its operation on Inverse Square Law ?

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Which of the following lamp gives nearly monochromatic light ?

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Light is produced in electric discharge lamps by

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One lumen per square meter is the same as

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Illumination level required for precision work is around

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The illumination level in houses is in the range

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Candela is the unit of

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Melting temperature of tungsten is

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Candela is-the unit for

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The unit of solid angle is

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The color temperature of day light is around

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Lumen/watt is the unit of

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