Does the light emitted by a neon sign constitute a continuous spectrum or only a few colors?

Answer Light emitted by a neon sign does not constitute a continuous spectrum. The neon emits light only in a few wavelengths. Sunlight is defined as light that is continuous. It can be broken up into all... Read More »

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Why Do Chemicals Have to Be Heated in the Flame First Before the Colored Light Is Emitted?

Heating certain chemicals over a burner causes them to produce light, and is an experiment often conducted in student chemical labs. The process is actually very similar to the way a neon sign or a... Read More »

Do light colors or dark colors show wall imperfections?

Choose a wall color in a darker shade. A dark color conceals irregularities much better than a light color since it absorbs more light. Also, avoid anything with a sheen or gloss, and use a flat or... Read More »

How many colors can neon make?

Neon, an inert noble gas, can only produce a red glow when electrified. Colors other than red in neon signs are produced with other elements, including argon (which glows blue) and mercury (which i... Read More »

How to Get Different Colors in Neon Signs?

Neon signs have been available since the turn of the 20th century when Georges Claude, a French chemist and inventor, discharged electricity into a sealed tube filled with neon gas to make a lamp. ... Read More »