What is the charge on 1.0 kg of protons?(e = 1.60 × 10-19 C, mproton = 1.67 × 10-27 kg)
A) 1.0 C
B) 1000 C
C) 9.6 × 107 C
D) 6.0 × 1026 C
E) 6.0 × 1023 C
C
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Which of the following metals is most likely to recrystallize during hot-working?
(a) Aluminum (b) ?-Iron (c) Cartridge brass (d) Zirconium
Spherical Mirrors: A concave spherical mirror with a radius of curvature of 20 cm creates a real image 30 cm from the mirror. How far is the object from the mirror?
A. 20 cm B. 15 cm C. 7.5 cm D. 5.0 cm
Which list of metric prefixes is in order from smallest to greatest?
a. femto, centi, nano, mega, kilo b. femto, nano, mega, centi, tera c. mega, mega, mega, mega, mega d. femto, nano, centi, mega, tera e. femto, kilo, centi, mega, tera
Light with a wavelength of 450 nm shines through a lens with an aperture diameter of 0.85 cm. Use Rayleigh's criterion to determine the limiting angle of resolution. (1 nm = 10-9 m)
a. 6.5 × 10^-5 rad c. 9.2 × 10^-5 rad b. 1.3 × 10^-4 rad d. 3.0 × 10^-9 rad