Laser light of 589 nm wavelength is shown through parallel slits forming a series of maxima on a screen 4.20 m away. If the distance between the central maximum and the first order maximum is 1.67 cm, what is the slit separation?
a. 
b. 
c. 
d. 
e. 
e.
Physics & Space Science
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What is the approximate surface temperature of an F star?
A) 12,000 K B) 6,000 K C) 7,000 K D) 5,000 K
Physics & Space Science
Visible light consists of electromagnetic waves with wavelengths (in air) in the range 400 - 700 nm. What are the frequencies of visible light?
a. 
b. 
c. 
d. 
Physics & Space Science
Charge of uniform density (0.30 nC/m2) is distributed over the xy plane, and charge of uniform density (?0.40 nC/m2) is distributed over the yz plane. What is the magnitude of the resulting electric field at any point not in either of the two charged planes?
a. 40 N/C b. 34 N/C c. 28 N/C d. 46 N/C e. 6.0 N/C
Physics & Space Science
Michelson and Morley demonstrated that the speed of light is ________ of the motion of the observer
Fill in the blank(s) with correct word
Physics & Space Science