Sodium vapor lamp is usually used in street light, because

1.
Sodium vapor lamp is usually used in street light, because

A. it is cheap

B. light from this is monochromatic and will not split through water droplets

C. it is pleasing to the eyes

D. it is brightly illuminating

Answer» C. it is pleasing to the eyes

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1.	Sodium vapor lamp is usually used in street light, because
A.	it is cheap
B.	light from this is monochromatic and will not split through water droplets
C.	it is pleasing to the eyes
D.	it is brightly illuminating
Answer» C. it is pleasing to the eyes

Sodium vapor lamp is usually used in street light, because

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