Question

The gas used in bulb is

• A. Argon
• B. Krypton
• C. Helium
• D. Neon

Answer 1

The correct option is A

Argon

Explanation for correct answer:

Option (A)

• Argon is a noble gas that is used to fill electric lights at low-temperature.
• Argon is used in filament bulbs because the metal filament does not burn in argon.

Explanation for incorrect answers:

Option (B) Krypton is used in very powerful lights like lighthouses.

Option (C) Helium is a noble gas that is used to fill weather balloons.
Option (D) Neon: It's used to make advertising light tubes that may be seen at night in huge stores, hotels, and other places.

Hence, the correct answer is option (A).