Home › CBSE Class 11 (Science) › Physics › Waves › For light waves in vacuum, which speed matters i…
For light waves in vacuum, which speed matters in the Doppler shift?
AOnly source speed
BOnly observer speed
CSpeed of the medium
DRelative speed of the two
Answer & Solution
Correct answer: D. Relative speed of the two
With no medium, only the relative velocity between source and observer determines the shift.
Related questions
Which standing waves are exploited by glider pilots in the lee of mountains?A laser cavity of two facing mirrors holds which kind of wave pattern?A seiche is a standing wave in which kind of system?Standing wave ratio (SWR) is the ratio of amplitudes at which two positions?What are the nodal line patterns on a vibrating plate or drumhead called?A standing wave from two equal opposing waves has what net energy flow?Who coined the term standing wave around 1860 using vibrating strings?Who first described standing waves scientifically in 1831?