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

Author Question: A fused combination of a diverging and converging lens pair, each made from a different index of ... (Read 126 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jul 28, 2018
A fused combination of a diverging and converging lens pair, each made from a different index of refraction glass, is used to reduce the occurrence of which of the following effects?
 a. mirages
  c. chromatic aberration
  b. light scattering
  d. spherical aberration

Question 2

The mass of a hot-air balloon and its cargo (not including the air inside) is 250 kg. The air outside is at a temperature of 10C and a pressure of 1 atm = 105 N/m2 . The volume of the balloon is 400 m3 . Which temperature below of the air in the balloon will allow the balloon to just lift off? (Air density at 10C is 1.25 kg/m3.)
 a. 37C
  c. 99C
  b. 293C
  d. 200C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


magmichele12

  • Hero Member
  • *****
  • Posts: 559
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Social grooming in a pair Social grooming in a pair
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
The nucleic acids DNA and RNA are made from chains of nucleotides. The nucleic acids DNA and RNA are made from chains of nucleotides.
Selected Combination Medications for Hypertension Selected Combination Medications for Hypertension
Apply L stroke on terminus. Place your index and middle fingers on the left and right terminus; ... Apply L stroke on terminus. Place your index and middle fingers on the left and right terminus; ...
Foods made with fat substitutes aren’t calorie free Foods made with fat substitutes aren’t calorie free
Video: The Lagging Strand in DNA Replication and Replication in Action

For a complete list of videos, visit our video library