Questions on the
Production of Light
- What is an incandescent lamp? What are its
components? How does it work?
- How does a gas discharge tube work?
- What kind of excitation and de-excitation occur
in a gas discharge tube?
- Why is a small amount of mercury used in a
fluorescent light bulb?
- What does the phosphor coating on the inside of
the fluorescent light bulb glass do?
- Compare the emission spectra of a fluorescent
bulb with that from an incandescent bulb.
- When a light bulb is off, does it still emit
any electromagnetic radiation?
- Why are fluorescent lamps mostly used in
schools and other office buildings, and not at most homes?
- Would you use fluorescent lamps in milking
stalls? If not, why not? How about in fast-food restaurants?
