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What happens when light passes through vacuum?
it travels at c (speed of light in a vacuum)
What of a material indicates how much the speed of light in the materials changes as light passes through?
The property of a material that indicates how much the speed of light changes as it passes through is called the material's refractive index. This index is a measure of how much the speed of light is reduced in a material compared to its speed in a vacuum. The higher the refractive index, the more the speed of light is reduced in that material.
How does the behavior of light passing through a medium differ from its behavior in a vacuum?
When light passes through a medium, such as air or water, it can be absorbed, scattered, or refracted, which can change its speed and direction. In a vacuum, light travels at its maximum speed and does not interact with any medium, so it does not experience these changes in behavior.
When is light not refracted?
Light is not refracted when while it passes through a vacuum, or through any uniform material.
How does light move through water?
Light travels through water by penetrating the water molecules and being absorbed and scattered as it passes through. The speed of light in water is slower than in a vacuum, causing refraction that changes the light's direction. Overall, light can travel through water but may be attenuated depending on the water's clarity and the distance it travels.
Why can sound energy not travel travel through a vacuum?
Sound requires a medium, such as air, water, or a solid, to travel through. In a vacuum, there is no medium for the sound waves to travel through, so the energy cannot propagate. This is why sound energy cannot travel through a vacuum.
Do light is visible to human eye when it passes through vacuum?
No, light is not visible to the human eye when it passes through a vacuum because there are no particles in a vacuum to scatter or reflect the light towards our eyes. We can only see light when it interacts with matter such as air, water, or solid objects.
What causes light to accelerate?
Light does not accelerate. In a vacuum, light always travels at a constant speed of approximately 299,792 kilometers per second, known as the speed of light. It only changes speed when it passes through different mediums.
Does current pass through vacuum?
Usually not, but a high voltage can force electrons from one side to the other. This is done in vacuum tubes. Answer2: Yes. The Electromagnetic Wave passes through vacuums and E = hf = WQf = WI, where I is a current.
What does light pass through on its way to earth?
Light passes through the vacuum of outer space as it travels from the sun to the Earth. It does not require a medium such as air or water to propagate.
What happens to the speed of light when it passes through water?
It slows from c to c/n where n is the refractive index of water
How does a vacuum cleaner pick up dirt?
A vacuum cleaner works by creating suction through a motor that pulls air (and dirt particles) into the machine. As the air moves through the vacuum, it passes through a filter or bag that traps the dirt and debris while allowing the air to escape. The rotating brush or beater bar on the vacuum helps to dislodge dirt from carpet fibers, making it easier for the suction to pick it up.
