Flame and Liquid Nitrogen


PIRA Classification: 5D20.15

Description: Two lamps are wired to separate coils, but to the same battery. The lamps are plugged into the battery to show the class that the lamps have the same brightness. One coil is then placed in liquid nitrogen while the other is placed over a burner. The brightness of each bulb is observed again.

Special Instructions: Don't keep the LN₂ bulb in the liquid too long. The bulb will blow.

Ideally For: Phys 1102, 1202, 1302

Condition: Good

Setup time: 2 minutes

Safety Issues: None