This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why can a 25. watt fluorescent lamp produce as much illumination as a 100. watt incandescent lamp? ... (Read 106 times)

K@

  • Hero Member
  • *****
  • Posts: 608
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rekilledagain

  • Sr. Member
  • ****
  • Posts: 337
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@

  • Member
  • Posts: 608
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
A guanacaste tree, Enterolobium cyclocarpum, growing in Costa Rica. Guanacaste trees, which produce A guanacaste tree, Enterolobium cyclocarpum, growing in Costa Rica. Guanacaste trees, which produce
Slit lamp examination. Slit lamp examination.
Many different colors of fluorescent proteins are now available Many different colors of fluorescent proteins are now available
Durkheim believed that modern societies produce feelings of isolation, much of which come from the ... Durkheim believed that modern societies produce feelings of isolation, much of which come from the ...
An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ... An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ...
Scheme of the principle of the fluorescent in situ hybridization to localize a gene in the nucleus. Scheme of the principle of the fluorescent in situ hybridization to localize a gene in the nucleus.
Video: Hemoglobin's affinity with oxygen - carbon dioxide, temperature and bisphosphoglycerate (BPG)

For a complete list of videos, visit our video library