Given that the wavelengths of visible light range from 400 nm to 700 nm, what is the highest frequency of visible light? (c = 3.0 × 108 m/s)
A) 3.1 × 108 Hz
B) 7.5 × 1014 Hz
C) 2.3 × 1020 Hz
D) 4.3 × 1014 Hz
E) 5.0 × 108 Hz
B
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A proton and electron are separated by 3.5 nm
(a) What is the magnitude of the force on the electron? (b) What is the magnitude of the force on the proton? (c) What is the electric field of the proton at the electron position?
What is the energy of a photon that has the same wavelength as a 11.4-eV electron? (h = 6.63 × 10^?34 J?s, me = 9.11 × 10^–31 kg, 1 eV = 1.6 × 10^–19 J)
a. 1140 eV b. 32 eV c. 103 eV d. 3420 eV e. 1030 eV
Suppose there are 3 molecules in a container. If each molecule has a 1-in-2 chance of being in the left half of the container, what is the probability that there are exactly 2 molecules in the left half of the container?
a. 1/2 b. 1/3 c. 1/8 d. 3/8 e. 3/5
A(n) ______ is a single point in an electronic image.
A. serif B. simbit C. pixel D. pica