A Distant Star Has a Transverse Speed (Perpendicular to Our

Multiple Choice

A distant star has a transverse speed (perpendicular to our line of sight) of 30,000 km/s with respect to Earth.Its spectrum has an absorption line at a frequency of 5.00 x 10¹⁴ Hz.What is the frequency of that line as observed on Earth?

A) 4.50 x 10¹⁴ Hz
B) 4.90 x 10¹⁴ Hz
C) 4.97 x 10¹⁴ Hz
D) 5.00 x 10¹⁴ Hz
E) 5.04 x 10¹⁴ Hz