« previous next »

Author Question: Light from a 560-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at ... (Read 83 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?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The FDA recognizes 118 routes of administration.

The light reactions and chemiosmosis: the organization of the thylakoid membrane. The light reactions and chemiosmosis: the organization of the thylakoid membrane.
Technique of Light Palpation Technique of Light Palpation
Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199 Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199
Color mixtures of refracted light—additive process. Color mixtures of refracted light—additive process.
Apply light effleurage around abdomen in a large circle with the palm of a flat hand. Apply light effleurage around abdomen in a large circle with the palm of a flat hand.
Apply oil or lotion to the entire leg with effleurage. Use light to medium pressure to warm ... Apply oil or lotion to the entire leg with effleurage. Use light to medium pressure to warm ...
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library