« previous next »

Author Question: Rainbows are caused by sunlight being A) dispersed. B) dispersed, refracted, & reflected. ... (Read 63 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
Rainbows are caused by sunlight being
 
  A) dispersed.
  B) dispersed, refracted, & reflected.
  C) refracted.
  D) reflected.
  E) refracted & reflected but not dispersed.

Question 2

The resolution limit of a circular aperture telescope is
 
  A) inversely proportional to wavelength.
  B) proportional to frequency of light.
  C) less than that of a square aperture whose diagonal equals the diameter.
  D) inversely proportional to aperture size.


Kingjoffery

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

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?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Cellular movements caused by the actions of flagella and cilia Cellular movements caused by the actions of flagella and cilia
European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi
Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
Placenta previa. The condition is caused by the development of the placenta over the cervical canal, Placenta previa. The condition is caused by the development of the placenta over the cervical canal,
A valve corroded by nitric acid. Hazardous materials releases are often caused by using incompatible ... A valve corroded by nitric acid. Hazardous materials releases are often caused by using incompatible ...
Examples of Human Disorders Caused by Single-Gene Mutations Examples of Human Disorders Caused by Single-Gene Mutations
Video: Aneurysm

For a complete list of videos, visit our video library