Some light switches that glow in the dark after the lights are ...

[audie]

Some light switches that glow in the dark after the lights are turned off employ
 
  A) fluorescence.
  B) resonance.
  C) incandescence.
  D) all of the above
  E) none of the above

Question 2

An aluminum electric tea kettle has a mass of 500 g. It has a 500-W heating coil. How long will it take to heat up 1.0 kg of water from 18C to 98C in the tea kettle? The specific heat of aluminum is 900 J/(kgK).
 
  A) 5 minutes
  B) 7 minutes
  C) 12 minutes
  D) 15 minutes
  E) 18 minutes

[Juro]

Answer to Question 1

Answer: E

Answer to Question 2

C

[audie]

TY

[Juro]

You're welcome