Two thin slits are 6.00 ?m apart. Monochromatic coherent light falls on these slits, and produces a fifth-order bright interference fringe at an angle of 32.3° away from the centerline
What is the wavelength of the light?
A) 416 nm B) 641 nm C) 164 nm D) 614 nm
B
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Water is sent from a firehose at 30.0 m/s at an angle of 30.0° above the horizontal. What is the maximum height reached by the water?
a. 7.50 m b. 11.5 m c. 15.0 m d. 19.0 m e. 30.0 m
Three resistors of 12, 12, and 6.0 ? are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?
A) 0.10 A B) 0.20 A C) 0.30 A D) 0.40 A E) 0.50 A
Twenty-five identical molecules are in a box. Microstates are designated by identifying the molecules in the left and right halves of the box. The multiplicity of the configuration with 15 molecules in the right half and 10 molecules in the left half is:
A. 1.03 × 1023 B. 3.27 × 106 C. 150 D. 25 E. 5
How many significant figures are in 576,000?
A) 3 B) 4 C) 5 D) 6 E) ambiguous