What do you think happens to the color of the lamp as it dims?, questions help

  

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1.
You can dim an incandescent bulb by decreasing the temperature of the
filament. What do you think happens to the color of the lamp as it dims?
2. How many Joules does one regular size Snickers bar contain? [1 food calorie =
1000 energy calories] Show your work.
3.
The temperature of an object goes up by 1 K. How much did it rise in degrees
Celsius? How much did it go up in Degrees Fahrenheit?
4.
List five things in your lives that you use every day that requires radiation to
work.
5.
One night you look up at the sky, and you see two different color starts next to
each other (however many light years away from Earth). One star is blue, and the
other is red. Which star is at a hotter temperature?
6.
Your bank account has the same balance on April 1 as it did on March 1. Your
friend suggests that this means that you did not deposit or withdraw any money for
the entire month. Is that correct? Explain why or why not.
7.
Why are incandescent light bulbs being phased out in many countries?
8. If you leave a 100-W light bulb on for a week, how many joules of energy will be
consumed?
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