When the adjustable mirror on the Michelson interferometer is moved 20 wavelengths, how many fringe pattern shifts would be counted?
A. 5
B. 10
C. 20
D. 40
E. 80
Answer: E
You might also like to view...
An object has an initial position 
, but is found a short time later at position 
, where 
In a frame in standard orientation on the earth’s surface, what is the direction of the object’s displacement during this time interval?
A. East B. West C. North D. South E. Down
Which of the following would be considered a physical property?
A) density B) flammability C) corrosion resistance D) reactivity towards acid E) oxygen sensitivity
The flow rate of blood through the average human aorta, of radius 0.95 cm, is about 90 cm3/s. What is the speed of the blood flow through the aorta?
a. 14 cm/s c. 37 cm/s b. 32 cm/s d. 29 cm/s
Radiation: In an electric furnace used for refining steel, the temperature is monitored by measuring the radiant power emitted through a small hole in the wall of the furnace, of area 0.5 cm2. This hole acts like a perfect blackbody radiator having the same temperature as the interior of the furnace. If the temperature of the furnace (and therefore of the hole) is to be maintained at 1650°C, how much power will the hole radiate?
A. 20 W B. 30 W C. 40 W D. 50 W