The spacing of ruled lines on a diffraction grating is 1,770 nm. The grating is illuminated at normal incidence with a parallel beam of white light in the 400 nm to 700 nm wavelength band
The longest wavelength that appears in the third order spectrum is closest to: A) 590 nm
B) 570 nm
C) 550 nm
D) 530 nm
E) 610 nm
A
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A projectile is projected from the origin with a velocity of 20.0 m/s at an angle of 60.0 degrees above the horizontal. What is the maximum height of the projectile?
A. 8.40 m B. 9.50 m C. 10.9 m D. 15.3 m E. 20.2 m
A constant force F acts on block 1 with mass m and block 2 with mass 2m. Which graph correctly represents the accelerations of the blocks ?
A. 
B. 
C. 
The term "solid-state electronics" refers to
A. the replacement of positive charges with electrons in devices. B. the increased use of metals in electronic devices. C. our ability to now use solids to make electronic devices. D. the use of transistors rather than vacuum tubes.
A series RLC circuit has an impedance of 120 ? and a resistance of 64 ?. What average power is delivered to this circuit when Vrms = 90 volts?
a. 36 W b. 100 W c. 192 W d. 360 W e. 12 W