Multiple choice general knowledge science & technology

Color of light emited by Neon gas is..

  1. Blue

  2. Red

  3. Green

  4. Pink
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Neon gas emits a characteristic red-orange glow when electrically excited due to its atomic emission lines. The primary wavelength emitted by neon is around 640 nanometers (red), which is why neon signs have their distinctive red appearance. Other colors in 'neon signs' are achieved by using different gases or phosphor coatings.

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