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Illumination

Illumination
Illumination can be expressed in

  lumens.
  radians.
  lux.
  candela.

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Illumination
Solid angle is expressed in terms of

 steredians.
 degree.
 radians / meter.
 radians.

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Illumination
The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is

  30
 200.
  150.
 140.

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Illumination
Which cells in the eye are responsible for scotopic vision?

 Both ‘a’ and ‘b’
 Cone cells
 None of these
 Rod cells

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Illumination
___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions.

  Absorption factor.
  Utilization.
  Maintenance.
  Depreciation.

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Illumination
Total flux or lumens required in any lighting scheme depends inversely on

  reduction factor.
None of these
  reflection factor.
  utilization factor.

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MORE MCQ ON Illumination

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