« previous next »

Author Question: Polaroid sunglasses help when skiing on snow on a sunny day by reducing the sunlight from the snow. ... (Read 63 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jul 28, 2018
Polaroid sunglasses help when skiing on snow on a sunny day by reducing the sunlight from the snow. This light from the snow has been polarized by:
 a. optical activity.
  c. reflection.
  b. selective absorption.
  d. double refraction.

Question 2

An interval of one Celsius degree is equivalent to an interval of:
 a. one Fahrenheit degree.
  c. 5/9 Fahrenheit degree.
  b. one kelvin.
  d. 5/9 kelvin.


xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
Snow leopard - Solved Snow leopard - Solved
Siberian Tiger in Snow Siberian Tiger in Snow
Snow and ice pack in the Himalayas Snow and ice pack in the Himalayas
Reducing Radicals Reducing Radicals
Polar Bear (Ursus maritimus) mother with cub in snow. Churchill, Canada. Polar Bear (Ursus maritimus) mother with cub in snow. Churchill, Canada.
Video: Cardiac Cycle (Part 2 of 4)

For a complete list of videos, visit our video library