Light of wavelength 550 nm in air is found to travel at 1.96 × 108 m/s in a certain liquid. What are the frequency and wavelength of the light in this liquid? (c = 3.0 × 108 m/s)
What will be an ideal response?
5.45 × 1014 Hz, 359 nm
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Suppose there is an object for which F = +kx. What will happen if the object is moved away from equilibrium (x = 0) and released?
a. It will return to the equilibrium position. b. It will move further away with constant velocity. c. It will move further away with constant acceleration. d. It will move further away with increasing acceleration.
An object moves at a constant velocity of 12 m/s to the southwest for an interval of 30 s. Halfway through this interval, what is the magnitude of its instantaneous velocity?
a. It can be any value from 0 to 24 m/s. b. 12 m/s c. 6 m/s d. More information is needed. e. 24 m/s
In a given LC resonant circuit,
A) the stored electric field energy is greater than the stored magnetic field energy. B) the stored electric field energy is less than the stored magnetic field energy. C) the stored electric field energy is equal to the stored magnetic field energy. D) all of the given answers are possible.
The length 3.76 mm is divided by 0.0232 mm. The rounded ratio is
A. 160. B. 162. C. 162.1. D. 162.07. E. 162.069.