450 nm of light falls on a single slit of width 0.30 mm. What is the angular width of the central diffraction peak?
A) 0.086°
B) 0.13°
C) 0.17°
D) 0.26°
E) 0.35°
C
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A Styrofoam ice chest is 2 cm thick. If the inside of the chest is at 0ºC and outside the chest it is 25ºC, estimate the heat transfer by conduction through the Styrofoam per unit area.
What will be an ideal response?
From the center outward, the correct order of the zones of Earth is
A. liquid core, solid core, crust, mantle, atmosphere. B. liquid core, solid core, mantle, crust, atmosphere. C. solid core, liquid core, mantle, crust, atmosphere. D. solid core, mantle, liquid core, crust, atmosphere.
If you consider the total distance and total time for a trip, you are calculating a(an)
A. average speed B. constant speed C. instantaneous speed D. non-uniform speed
The main process by which heat flows upward through the lithosphere is
A) conduction. B) convection. C) radiation. D) accretion. E) differentiation.