An astronaut traveling at 0.8c for 5 years returns to Earth. How much time has passed for the astronaut and for people on Earth?

(a) At what angle is the firstmaximumlocated?
1°

(b) If the sound wave is replaced by 3.00cm microwaves, what slitseparation gives the same angle for thefirst maximum?
2cm

(c) If the slit separation is 1.00 µm, what frequency lightgivesthe same first maximum angle?
3
Your response differs from the correct answerby orders ofmagnitude. THz