In a double-slit experiment, it is observed that the distance between adjacent maxima on a remote screen is 1.0 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?
A) It increases to 2.0 cm.
B) It increases to 4.0 cm.
C) It decreases to 0.50 cm.
D) It decreases to 0.25 cm.
E) None of these choices are correct.
A
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The total kinetic energy in one mole of an ideal gas is 4,000 J. What is the average kinetic energy of an individual particle in the ideal gas?
a. 
b. 
c. 
d. 
e. 
A solution of 5% acetic acid and 95% water is called
a. chloroform. b. antifreeze. c. vinegar. d. gasohol. e. alcohol.
A star has absolute luminosity equal to that of the sun but is 10 pc away from the Earth
By what factor will it appear dimmer than the sun? The earth is 1.5 × 108 km from the sun, and 1 parsec is equal to 3.09 × 1016 m. A) 2 × 10-9 B) 2 × 10-11 C) 2 × 10-15 D) 2 × 10-13
What point in the light curve below is the cooler star in front of the hotter star?
a.
1
b.
2
c.
3
d.
4
e.
5