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 1723 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
Wow, this really help

cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Activating a gene to produce “marathon mice.” Activating a gene to produce “marathon mice.”
A model of anxiety in which stressful events or a changing mental condition can produce unfavorable A model of anxiety in which stressful events or a changing mental condition can produce unfavorable
The Procedure Used to Produce Conditioned Emotional Responses The Procedure Used to Produce Conditioned Emotional Responses
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.
Oil Pressure Warning Lamp Oil Pressure Warning Lamp
A common autosomal recessive allele can produce a pedigree that looks like an autosomal dominant tra A common autosomal recessive allele can produce a pedigree that looks like an autosomal dominant tra
Video: DNA Replication Factory and Protein

For a complete list of videos, visit our video library