What minimum thickness of oil (n = 1.50) on the surface of water (n = 1.33) would give constructive interference for 550 nm light with normal incidence?
A. 78.0 nm
B. 80.0 nm
C. 92.0 nm
D. 183 nm
E. 275 nm
C. 92.0 nm
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An outer surface of a wood burning stove in a cabin is at a temperature of 150
What is the wavelength where the blackbody is a maximum?
A. 3.64 micrometer B. 4.02 micrometer C. 4.57 micrometer D. 5.25 micrometer E. 6.85 micrometer
Equipotential Surfaces: The equipotential surfaces for two spherical conductors are shown in the figure, with the value of potential marked on the line for each surface.(a) If the distance between points A and B is 2.5 cm what is the approximate intensity of the electric field between these two points?(b) If the distance between points C and D is 2.5 cm what is the approximate intensity of the electric field between these two points?
Fill in the blank(s) with the appropriate word(s).
Which one of the following is the correct order of the electromagnetic spectrum from low to high frequencies?
A) radio waves, infrared, microwaves, UV, visible, X-rays, gamma rays B) radio waves, UV, X-rays, microwaves, infrared, visible, gamma rays C) radio waves, microwaves, infrared, visible, UV, X-rays, gamma rays D) radio waves, microwaves, visible, X-rays, infrared, UV, gamma rays E) radio waves, infrared, X-rays, microwaves, UV, visible, gamma rays
An alpha particle is emitted from a radioactive source with an energy of 5 MeV. How fast is it moving (in m/s)? (m = 4.002 603 u, 1 u = 1.66 × 10^-27 kg.)
a. 2.4 × 10^7 b. 1.6 × 10^7 c. 3.7 × 10^7 d. 4.6 × 10^7 e. 2.1 × 10^7