Question

Yellow light use in street light instead of white

Answer 1

Answer:

Yellow lamps are likely sodium-vapor lamps which are commonly used due to their high efficiency. ... HPS are not as efficient as LPS but they produce light in a more varied light spectrum. So they look whiter than LPS, although not as white as fluorescent, halogen or LED lights

Answer 2

Answer:

Yellow lamps are likely sodium-vapor lamps which are commonly used due to their high efficiency. ... HPS are not as efficient as LPS but they produce light in a more varied light spectrum. So they look whiter than LPS, although not as white as fluorescent, halogen or LED lights.