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Author Question: Why can a 25. watt fluorescent lamp produce as much illumination as a 100. watt incandescent lamp? ... (Read 2878 times)

K@

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on: Jul 27, 2018
Why can a 25. watt fluorescent lamp produce as much illumination as a 100. watt incandescent lamp?
 
  What will be an ideal response?

Question 2

When the Sun runs out of nuclear fuel and expands to become a red giant,
 
  A) the Earth's oceans will freeze solid
  B) the Earth will be ejected from the solar system
  C) the Earth will be destroyed
  D) the Earth will experience a runaway greenhouse effect followed by the total loss of its atmosphere


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rekilledagain

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Reply #1 on: Jul 27, 2018
Answer to Question 1

The incandescent lamp produces heat out of the majority of the input energy and only a minority fraction becomes light. The fluorescent lamp produces more light, less heat.

Answer to Question 2

D


K@

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

Dinolord

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Reply 3 on: Yesterday
Wow, this really help

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