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Electrician
Electrician Set-1
Illumination
6

Illumination MCQ - Electrician (Set-1) with Answers

6) Which of the following colour has wave length between blue and yellow ?

violet

orange

red

green

Answer is:

green

Illumination MCQ - Electrician (Set-1) with Answers

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Related Illumination MCQ - Electrician (Set-1) with Answers

7) The study of illumination involves the :

Study of lighting and wiring systems

designing of a lighting system

calculating of wiring materials required in wiring

study of photometry

Answer is:

designing of a lighting system

8) Energy radiated continuously in the from of light-waves is called :

luminous-flux

luminous-intensity

lumen

illumination

Answer is:

luminous-flux

9) The luminous-flux emitted in unit solid angle by a light source having a luminous-intensity of one candela is called :

illumination

luminance

one lumen

one lux

Answer is:

one lumen

10) The illumination at a point of a surface is the luminous-flux per unit area of the surface and its unit is :

lux

lumen

candela

watt

Answer is:

lux

Illumination MCQ - Electrician (Set-1) with Answers

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