Author Question: As you approach a steady light source, the wavelength of the emitted light appears A) longer. B) ... (Read 82 times)

lak · **on:** Jul 29, 2018

As you approach a steady light source, the wavelength of the emitted light appears

A) longer.
B) shorter.
C) the same.

Question 2

A circular coil with 600 turns has a radius of 15 cm. The coil is rotating about an axis perpendicular to a magnetic field of 0.020 T. If the maximum induced emf in the coil is 1.6 V, at what angular frequency is the coil rotating?

A) 0.30 rad/s
B) 0.60 rad/s
C) 0.90 rad/s
D) 1.4 rad/sec
E) 1.9 rad/s