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Yes according to most theories the velocity of light in a vacuum is constant. (In water and glass it is slower!)

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15y ago

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What is speed that does not change - called?

constant


What is an example of an object moving at constant speed and constant velocity?

An object moving in a straight line at a speed of 50 km/h with a constant velocity of 50 km/h in the same direction is an example of constant speed and constant velocity.


Is it true that gamma rays travel with constant velocity?

Yes. Gamma Rays are photons (like visible light, just at another part of the electromagnetic spectrum). They travel with constant velocity at the speed of light (only in a vacuum). Although the original speed of the gamma ray varies.


Which of these is constant for ALL types of electromagnetic radiation in a vacuum?

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Is the velocity of light a physical constant?

absolutely. The most important one in my bias opinion.


Is the velocity of X-rays constant?

Yes, all xrays travel at the speed of light.


What happens to light when it travels from air into denser?

its frequency remains constant but velocity changes.


Can an object have constant velocity and but variable speed?

No, an object cannot have constant velocity and variable speed. Velocity is a vector quantity that includes both speed and direction. If the object's velocity is constant, then its speed must also be constant.


What is your acceleration if you have a constant velocity?

If your velocity is constant, then your acceleration is zero.


What is the slope of a constant velocity?

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Can you go around a curve with constant velocity?

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