« previous next »

Author Question: Light from a 560-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at ... (Read 75 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Jul 28, 2018
Light from a 560-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 30. What is the angle of reflection from the surface?
 a. 30
  c. 60
  b. 75
  d. 15

Question 2

An inventor develops a stationary cycling device by which an individual, while pedaling, can convert all of the energy expended into heat for warming water. What minimum power must be generated if 300 g of water (enough for 1 cup of coffee) is to be heated in 10 min from 30C to 90C? (1 cal = 4.186 J, the specific heat of water is 4 186 J/kg  C)
 a. 9400 W
  c. 160 W
  b. 590 W
  d. 130 W


amy.lauersdorf90

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Changes in light quality with depth: (a) the rich colours on a shallow coral reef; Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
Surface Features on Europa Surface Features on Europa
Curved Spacetime and the Path of Light Curved Spacetime and the Path of Light
Surface Coal Mine Reclamation Surface Coal Mine Reclamation
Schematic of an IgG molecule: Two heavy and 2 light chains are linked together by disulfide bonds. ... Schematic of an IgG molecule: Two heavy and 2 light chains are linked together by disulfide bonds. ...
IgM only, then IgD and IgM on the surface of a B cell. IgM only, then IgD and IgM on the surface of a B cell.
Video: Conjunctivitis

For a complete list of videos, visit our video library