Galileo is credited with designing the first reflector telescope
Indicate whether the statement is true or false
FALSE
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Light of wavelength 610 nm is incident on a slit of width 0.20 mm, and a diffraction pattern is produced on a screen that is 2.0 m from the slit. What is the distance of the second dark fringe from the center of the central bright fringe? (1 nm = 10-9 m)
a. 1.4 cm c. 0.68 cm b. 1.2 cm d. 0.92 cm
For a pair of dice, how many microstates are there that result in the macrostate of rolling a 7?
a. 1 b. 5 c. 6 d. 7 e. 36
Dimensional Analysis: In Einstein's famous equation E = mc2, describing the relationship between matter and energy, E stands for energy, m stands for mass, and c is the speed of light in vacuum. What are the SI units of E?
A. kg/s B. kg/s2 C. kg ? m/s2 D. s2 / (kg ? m) E. kg ? m2 / s2
Water is sent from a fire hose at 34.5 m/s at an angle of 30.0° above the horizontal. What is the maximum height reached by the water, assuming the fire hose is level with the ground?
a. 7.59 m b. 15.2 m c. 30.4 m d. 300 m e. 60.7 m