The figures below represent interference fringes. The distances from the screen to the slits is the same for each figure, and the planes of the screen and the slits are parallel. In each figure the spacing d between the slits is the same. Which figure(s) represent(s) slits illuminated with light of the shortest wavelength ?? The white spaces represent the interference maxima
a.
I.
b.
II.
c.
III.
d.
IV.
e.
V.
d
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Rain or snow that falls on the continents is Earth's only
A) supply of water. B) supply of fresh water. C) hydrologic cycle. D) source of evaporation and condensation.
A charged particle (mass = m, charge = q> 0) moves in a region of space where the magnetic field has a constant magnitude of B and a downward direction. What is the magnetic force on the particle at an instant when it is moving horizontally toward the north with speed v?
A. qvB toward the east B. Zero C. qvB toward the west D. qvB upward E. qvB toward the south
A copper ball with a diameter of 5.00 cm is subjected to a pressure of 
The bulk modulus for copper is 
What is the bulk strain?
A. 
B. 
C. 
D. 
E. 
Which of the following statements is false?
a. The majority of surface rocks are igneous. b. The study of rocks is called petrology. c. Rocks are classified as igneous, sedimentary, or metamorphic. d. Rocks are composed of one or more minerals.