The variation of the speed of light in a transparent medium with frequency results in
a. interference
b. diffraction
c. dispersion
d. diffuse reflection
e. polarization
C
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Photoelectric Effect Using Stopping Potential: A monochromatic light beam is incident on the surface of a metal having a work function of 2.50 eV. If a 1.0-V stopping potential is required to make the electron current zero, what is the wavelength of light? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
A. 355 nm B. 423 nm C. 497 nm D. 744 nm
The tallest volcano in the solar system is Mauna Kea, when measured from its base on the ocean floor to its highest point
Indicate whether the statement is true or false
Suppose a 0.45-kg mass on a spring-loaded gun that has been compressed 0.10 m has elastic potential energy of 1.50 J. How high above the spring's equilibrium point can the gun fire the mass if the gun is fired straight up?
a. 0.34 m b. 0.58 m c. 0.24 m d. 3.2 m e. 33 m
An uncharged spherical conducting shell surrounds a charge ?q at the center of the shell. Then charge +3q is placed on the outside of the shell. When static equilibrium is reached, the charges on the inner and outer surfaces of the shell are respectively
a. +q, ?q. b. ?q, +q. c. +q, +2q. d. +2q, +q. e. +3q, 0.