Upon entering a medium in which the speed of light is 1.5 × 10^8 m/s from a medium in which the speed of light is 2 × 10^8 m/s, an oblique light ray will be _____________ the normal to the interface between the two media
a. bent away from c. travel along
b. bent toward d. remain undeviated with respect to
B
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Which characterizes the main result of the Michelson-Morley experiment?
a. verified the existence of ether b. involved measuring the speed of sound from a moving source c. detected no difference in the speed of light regardless of speed of the source relative to observer d. was designed purposely to verify Einstein's theory of relativity
Determine the resonant frequency of the circuit
a.
159 Hz
b.
32 Hz
c.
5 Hz
d.
500 Hz
e.
79.5 Hz
A 0.50-m long solenoid consists of 1 000 turns of copper wire wound with a 4.0 cm radius. When the current in the solenoid is 18 A, the magnetic field at a point 1.0 cm from the central axis of the solenoid is
a. 0.090 mT. b. 0.36 mT. c. 23 mT. d. 36 mT. e. 45 mT.
A cable has a strain of 
If the un-stretched length of the cable is 24.0 m, then the change in length of the cable is
A. 35 mm. B. 48 mm. C. 52 mm. D. 59 mm. E. 67 mm.