Two slits separated by 0.050 mm are illuminated with green light (? = 540 nm). How many bands of bright lines are there between the central maximum and the 12-cm position? (The distance between the double slits and the screen is 1.0 m.)
a. 1111
b. 111
c. 11
d. 1
e. 11111
c
You might also like to view...
The Great Dark Spot of Neptune is probably just as long-lived as the more famed Great Red Spot of Jupiter; both lie at about the same latitudes, and are about the same size, relative to their planet
Indicate whether the statement is true or false
A uniform beam having a mass of 60 kg and a length of 2.8 m is held in place at its lower end by a pin. Its upper end leans against a vertical frictionless wall as shown in the figure. What is the magnitude of the force the pin exerts on the beam?
A. 0.68 kN B. 0.57 kN C. 0.74 kN D. 0.63 kN E. 0.35 kN
Free _________grades of copper have 1 to 6 weight percent lead.
Fill in the blank(s) with the appropriate word(s).
What is a typical asteroid made of?
A. solid hydrogen B. liquid water C. solid carbon dioxide and other gases D. rock and iron E. water frozen into ice