Author Question: Rainbows are caused by sunlight being A) dispersed. B) dispersed, refracted, & reflected. ... (Read 103 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
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
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library