If the water droplet is big enough, the glass will shatter from the fast change in temperature.
if the one bulb is not lighted the all is no lighted
You would place the convex lens between the lighted bulb and the screen, with the lighted bulb positioned beyond the lens's focal length. This arrangement will create an enlarged image of the lighted bulb on the screen due to the converging properties of the convex lens.
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inspiration, or a bright idea
That is e.g. the resistance of a cold bulb before the bulb is lighted and heats up.
Chemical to radiant(light:)
The bulb "pulses" because the circuit is not completely off. If the CF bulb is pulsing or flashing, it means that there is some kind of feedback loop providing at least some voltage to the bulb. Often lighted switches use the filament resistance to provide voltage to the internal bulb. Get rid of the lighted switch.
do not touch alighted electric bulb conncted to the main
Yes,it provides red and blue light.
Cause from the heat coming off the light bulb.
When a bulb is lighted up, electrical energy is converted into light energy and heat energy. The electrical energy flows through the filament in the bulb, causing it to glow and emit light while also generating heat.
Lightbulbs do get hot when lit - even cfl bulbs get a bit hot.