in vacuum, the speed of an electromagnetic wave depends upon
a. depends on its frequency
b. depends on its wavelength
c. is a universal constant
d. varies over time
if you're done answering, can I ask how and why? ba't yan ang answer?
a. depends on its frequency
b. depends on its wavelength
c. is a universal constant
d. varies over time
if you're done answering, can I ask how and why? ba't yan ang answer?
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Answer:
B. DEPENDS ON ITS WAVELENGTH
as vacuum is empty and thus, all the light waves move at a same speed, the number of wave crests passing by a given point in one second depends upon wavelength
c: random ppl on brainly