A laser beam is reflected back from a totally reflecting sail on a spacecraft that is 4.5 * 107 m from the source of the beam.How long after the beam is sent does it return to the source?
A) 100 ms
B) 200 ms
C) 150 ms
D) 300 ms
Correct Answer:
Verified
Q10: A parallel plate capacitor with circular plates
Q11: An electric field of 100 V/m is
Q12: In outer space,there are two astronauts at
Q13: Which waves have the shortest wavelength in
Q14: Which waves have the longest wavelength in
Q16: A parallel plate capacitor with circular plates
Q17: A laser beam takes 100 ms to
Q18: A parallel plate capacitor with circular plates
Q19: A parallel plate capacitor with circular plates
Q20: The potential across a 10.0-mF capacitor is
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents