QUESTION 1
- Using the data that you collected, graph how the energy emitted by the light bulb (in W/m2) changes with temperature (°C). Display temperature on the x-axis (horizontal) and the energy emitted by the light bulb on the y-axis (vertical). Once you have drawn a graph, digitally capture the graph on the screen and submit it through this link.
- Attach File
QUESTION 2
- The light bulb emits visible radiation when the dimmer is set to zero.
- True
- False
QUESTION 3
- According to the observations, as the temperature of the light bulb increases, the perceived brightness of the bulb _____.
- A.decreases
- B.remains constant
- C.increases and then decreases
- D.increases
QUESTION 4
- According to the observations, as the temperature of the light bulb increases, the amount of emitted radiant energy _____.
- A.increases
- B.increasing and then decreases
- C.decreases
- D.remains constant