I'm a teacher from the USA teaching at an international school in China, and one of my year 2 students just posed the question. He'd like to know the temp of a laser sword, but any laser will do. Thanks much!
2007-03-28 14:12:10 · 4 answers · asked by beqstar12 1 in Science & Mathematics ➔ Physics
Lasers don't have temperature. Lasers have energy. When the laser strikes an object, some of the energy may be absorbed by the object, raising the object's temperature.
So, for instance, if you shine a laser on a mirror, almost all of the energy is reflected and not absorbed. The temperature change of the object is negligible.
2007-03-28 14:17:42 · answer #1 · answered by Anonymous · 1⤊ 0⤋
It depends on what gas is being used to generate the laser beam. Though I'm not entirely clear on what a "laser sword" is! Laser beams themselves are typically at the same temperature as their environment (no 'radiated' heat, since the energy is all collimated), but that energy can significantly heat any surface it hits...
Hope that helps!
好è¿é!
2007-03-28 21:24:47 · answer #2 · answered by Anonymous · 1⤊ 0⤋
What color is the laser?
2007-03-29 23:05:41 · answer #3 · answered by Tom 5 · 0⤊ 1⤋
Celcius or Farenheit????
2007-03-28 21:19:37 · answer #4 · answered by Jenny A 6 · 0⤊ 1⤋