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

Author Question: Two parallel beams of light in air strike the surface of a transparent material and the refracted ... (Read 40 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
on: Jul 28, 2018
Two parallel beams of light in air strike the surface of a transparent material and the refracted beam 1 is closer to the normal than beam 2 . Which beam is traveling at higher speed in the material, and which beam has the higher index of refraction in the material?
 a. beam 1, beam 1
  c. beam 2, beam 2
  b. beam 1, beam 2
  d. beam 2, beam 1

Question 2

A 2.0-m2 Thermopane window is constructed, using two layers of glass 4.0 mm thick, separated by an air space of 5.0 mm. If the temperature difference is 20C from the inside of the house to the outside air, what is the rate of heat flow through this window? (Thermal conductivity for glass is 0.84 W / m C and for air 0.0234 W / m C.)
 a. 7700 W
  c. 180 W
  b. 90 W
  d. 550 W


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


Collmarie

  • Member
  • Posts: 569
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Parts of the Hand Used in Palpation; Dorsal Surface Parts of the Hand Used in Palpation; Dorsal Surface
pupil light reaction pupil light reaction
Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ... Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ...
Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ... Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ...
Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ... Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ...
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 ...
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library