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

Author Question: Different colors of light travel at different speeds in a transparent medium. In a vacuum, different ... (Read 68 times)

Jramos095

  • Hero Member
  • *****
  • Posts: 528
on: Jul 29, 2018
Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at
 
  A) different speeds.
  B) the same speed.
  C) decreased speed.

Question 2

Poke a pinhole in a piece of card and hold it in sunlight and an image of the Sun is cast on the floor. The Sun-image diameter depends on the height of the pinhole above the floor.
 
  Measurements for all heights show the Sun-image diameter is about 1/100 the distance between the pinhole and the floor. This means that
  A) about 100 end-to-end Sun images would fit between the pinhole and the floor.
  B) distance-wise, the Sun is about 100 Suns away from Earth.
  C) both of these
  D) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


Jramos095

  • Hero Member
  • *****
  • Posts: 528
Reply #2 on: Jul 29, 2018
Thanks


kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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.

Fun with light refraction Fun with light refraction
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation. Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation.
A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ... A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ...
A small 355-g box hangs from one end of a thin light string that goes over a frictionless ... A small 355-g box hangs from one end of a thin light string that goes over a frictionless ...
Coat Colors in Labrador Retrievers Coat Colors in Labrador Retrievers
Video: Bone Healing Animation

For a complete list of videos, visit our video library