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 51 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

Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Frank Lloyd Wright, Table lamp, executed for the Linden Glass Co. for the Susan Lawrence Dana ... Frank Lloyd Wright, Table lamp, executed for the Linden Glass Co. for the Susan Lawrence Dana ...
A Fischer-Tropsch processing plant is able to produce a variety of fuels from coal. A Fischer-Tropsch processing plant is able to produce a variety of fuels from coal.
Farmers’ markets provide fresh, local produce to consumers Farmers’ markets provide fresh, local produce to consumers
Find the factor demand for labour and the amount of output it will produce. Show all ... Find the factor demand for labour and the amount of output it will produce. Show all ...
Diagrams a mitotic chromosome, showing how chromatin is condensed to produce it Diagrams a mitotic chromosome, showing how chromatin is condensed to produce it
Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ... Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ...
Video: The life cycle of protein

For a complete list of videos, visit our video library