Question

Place a light bulb on a stand.
Stick a pencil into a small styrofoam ball.
Switch on the light bulb and darken the room.
Stand with your back towards the light bulb.
Hold the pencil with styrofoam ball in front of you at arm's length.

Jake's experiment has a flaw. Which of these statements best describes a method to correct the flaw in Jake's experiment? (2 points)
Select one:
a. Stand facing the light bulb.
b. Replace the light bulb with a candle.
c. Use a big globe instead of styrofoam ball.
d. Clamp the styrofoam ball behind the light bulb.