Dust particles and magnetic fields in the interstellar medium are revealed by ________ of light
Fill in the blank(s) with correct word
polarization
Physics & Space Science
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Most star names, such as Aldebaran and Betelgeuse, are in __________
a. Latin. b. Greek. c. Arabic. d. English. e. Italian.
Physics & Space Science
The brilliancy of a gem is a function of its index of ______________
Fill in the blank(s) with correct word
Physics & Space Science
What is the power rating of a device that draws 0.8 A when connected to 120 V?
A) 12 W B) 15 W C) 60 W D) 96 W E) 120 W
Physics & Space Science
An optical fiber is made of clear plastic with index of refraction n = 1.57 . For what angles with the surface will light remain within the plastic "guide"?
a. ? < 32.5° b. ? < 57.3° c. ? < 39.6° d. ? < 50.4° e. ? < 68.7°
Physics & Space Science