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 127 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?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Example of the Index to Diseases and Injuries. Example of the Index to Diseases and Injuries.
A healthy diet is made up of well-balanced nutrients. A healthy diet is made up of well-balanced nutrients.
Air Quality Index Air Quality Index
Cranial polarization. Lightly place both thumbs on the anterior fontanel, with both index fingers ... Cranial polarization. Lightly place both thumbs on the anterior fontanel, with both index fingers ...
Quality of U.S. and Japanese-made Automobiles Quality of U.S. and Japanese-made Automobiles
An organism has alleles R1 and R2 on one pair of homologous chromosomes, and it has alleles T1 ... An organism has alleles R1 and R2 on one pair of homologous chromosomes, and it has alleles T1 ...
Video: Factors that increase metabolic rate and heat production

For a complete list of videos, visit our video library