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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The unit of luminous flux is

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The unit of solid angle is

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Illumination level required for precision work is around

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Which of the following will need lowest level of illumination ?

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Which of the following lamp gives nearly monochromatic light ?

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Light waves travel with a velocity of

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Luminous efficiency of a fluorescent tube is

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Candela is-the unit for

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Melting temperature of tungsten is

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Light is produced in electric discharge lamps by

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Which photometer depends for its operation on Inverse Square Law ?

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Which of the following will need the highest 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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Lumen/watt is the unit of

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The color temperature of day light is around

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Candela is the unit of

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Carbon arc lamps are commonly used in

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Radiant efficiency of the luminous source depends on

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The illumination level in houses is in the range

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One lumen per square meter is the same as

कृपया सही सूचना भरें ताकि सर्टिफिकेट ईमेल पर भेजा जा सकें।

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