Question

1. Which is hotter? A piece of iron thats red hot or a tungsten thats red hot?

- neither, they are at the same temp

- tungsten, because it has a higher heat capacity

- tungsten, because it has a higher boiling point

- iron bc it has a higher heat capacity

2. Which osurce is considered a blackbody radiator?

-incadescent

-flurescent

- red neon

- blue neon

3. When you look at a red image with spectrometer, it shows up as a blackbody. true or false?

4. How could you tell the diffeerence between a light source that emits light as a blackbody vs a change of electronic transitions?

-blackbody shows a continous spectrum whereas electronic transition show up as line spectra

- difference cannot be made, they have the same type of spectrum

- depends on color

depends on temperature, the hotter the closer to an electronic transition

Answer 1