Which of the following is true about the speed of light?

A) It depends on the wavelength
B) In a vacuum, it is a constant value that does not depend on the observer.
C) It is slowest in a vacuum unless an observer is moving towards the source.
D) In a vacuum, it varies depending on the color of the light.

Respuesta :

Answer: B) In a vacuum, it is a constant value that does not depend on the observer.
Hope this helps!

The statement which is true about the speed of light is in a vacuum, it is a constant value that does not depend on the observer. Thus the correct answer is B.

What is the speed of light?

The speed of light is determined by the time taken by light to travel from different objects. The speed of light is 299 792 458 m / s.

The motion of the observer has no effect on the speed of light. The speed of light is constant irrespective of time or location. Neither the frequency nor the wavelength affects the speed of light.

Therefore, option B In a vacuum is a constant value that does not depend on the observer is the appropriate answer.

Learn more about the speed of light, here:

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