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Does dark matter exert gravitational force?
Yes, dark matter exerts gravitational force, even though it does not emit or interact with light. Its presence can be inferred through its gravitational effects on visible matter and light.
Which region has the longer wavelength-visible light or infrared?
Infrared light has longer wavelengths than visible light. Visible light ranges from about 400-700 nanometers in wavelength, while infrared light ranges from about 700 nanometers to 1 millimeter. This difference in wavelength determines how these types of light interact with matter and are perceived by our eyes.
What three ways can light interact with matter?
when a light is shining a peice of matter can et in the way of the light
What is the energy rate of visible light?
The energy of visible light ranges from approximately 1.65 to 3.10 electronvolts (eV), corresponding to wavelengths of 400 to 700 nanometers. This energy range allows visible light to interact with matter in various ways, such as causing electronic transitions or generating heat.
What colour is dark matter?
Dark matter is invisible. It doesn't interact with light.
What color is anti-matter?
Antimatter does not have a specific color because it is not visible to the naked eye. When antimatter particles interact with normal matter, they release energy that can produce light of various colors, depending on the specific particles involved.
Can visible light be a pure substance?
No. Light is energy, not matter. Therefore it is not a substance.
What makes matter visible?
Matter is visible because of the way it interacts with light. When light hits an object, some wavelengths are absorbed and some are reflected or transmitted. The reflected or transmitted light carries information about the object's color and appearance, making it visible to our eyes.
What is matter through which visible light is easily transmitted?
Glass?
Why is it that call a collection of matter that does not interact with anything else in the universe?
The term for a collection of matter that does not interact with anything else in the universe is "dark matter." It does not emit, absorb, or reflect light, making it invisible and difficult to detect directly. Scientists infer its existence based on its gravitational effects on visible matter and the large-scale structure of the universe.
Does light have matter, and if so, how does it interact with other forms of matter?
Light does not have matter, as it is made up of particles called photons. However, light can interact with matter through processes such as absorption, reflection, and refraction. When light encounters matter, it can be absorbed by the material, reflected off its surface, or bent as it passes through. These interactions play a crucial role in how we perceive and understand the world around us.
How can xrays penetrate matter that light cannot?
X-rays have shorter wavelengths and higher energy than visible light, allowing them to pass through materials that absorb or reflect light. X-rays can penetrate matter because they have enough energy to interact with the electrons in the atoms of the material, leading to absorption or scattering of the X-ray photons.
