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How did Thomson know that the glow in the crt was from a stream of charged particles?
Firstly, the glow does not occur throughout the tube, but when the cathode rays hit a fluorescent screen. (There is a phenomenon where the tube glows, but that happens when there is more gas in the tube and is a different thing). Thomson did three experiments. In the first, he used a magnetic field to deflect the rays. This showed that the rays themselves were charged, implying they were particles. In his second he used an electric field to deflect the rays, and the direction of deflection showed they carried a negative charge. In the third, he varied the electric field and calculated the charge to mass ratio by the variation in deflection. This showed that the particles were very tiny, much tinier than anything known previously.
What else can I help you with?
Are glow in the dark nails real?
Yes, glow-in-the-dark nails are real. They are created using glow-in-the-dark nail polish, which contains phosphors that emit light when charged with UV light. These nails can glow for several hours in the dark after being exposed to light.
How does polonium glow green?
Polonium glowing green is due to a phenomenon called radioluminescence. When polonium undergoes radioactive decay, it emits alpha particles that collide with a phosphor material in the surroundings. This collision causes the phosphor to emit light, which can manifest as a green glow when observed.
When burning a candle where does the smoke originate?
The wax and the wick burn, but not completely, the unburnt part being mainly carbon n the form of very small particles. These are quite hot and glow white, yellow, and red, and are resonsible for the 'flame' and its colour. After the particles leave the immediate area of the flame they cool down and don't glow any more. They are now the smoke.
How can I get glow sticks to glow again?
To make glow sticks glow again, try placing them in hot water or in the freezer for a few minutes. This can help reactivate the chemicals inside the glow sticks and make them glow brighter.
How can you revive a glow stick that has lost its glow?
To revive a glow stick that has lost its glow, you can try placing it in hot water to help the chemicals inside mix again and potentially restore its glow.
How did Thomson know that the glow in the CTR was from a stream of charged particles?
Thomson knew that the glow in the cathode ray tube (CRT) was from a stream of charged particles because the particles were deflected by electric and magnetic fields, indicating they were negatively charged. By measuring the deflection of the particles, he was able to calculate the charge-to-mass ratio of the particles, leading to the discovery of the electron.
Why don't charged particles glow?
Charged particles do not glow because they are not emitting visible light. Glow refers to the emission of visible light by a material or object, which is not a property of charged particles on their own. Charged particles can emit light in the form of luminescence or radiation, but this may not be visible to the human eye.
What forms when charged particles from the sun cause gases in the atmosphere to glow?
photon
How did William crooks know that the glow in the cathode-ray tube resulted from stream of charge particles?
it was deflected by a magnet
What 2 things do you need for a current to flow?
To create a current flow, you need a closed circuit that allows the movement of charged particles, such as electrons, and a potential difference across the circuit that drives the flow of these charged particles.
What is a Cathode ray gun?
basically JJ Thomson wanted to find out what a cathode ray was made of. Cathode tubes are a tube with wires in them. Scientists discovered that if the created a vacuum in the tube and sent a charge through the wires, it glowed. JJ Thomson set up a cathode ray and placed magnets on either side. This deflected the ray so the tube didn't glow. This meant the rays were negatively charged which meant they were made of negatively charged particles or electrons.
What is the blue glow around the core of a nuclear reactor?
The blue glow around the core of a nuclear reactor is called Cherenkov radiation. It occurs when high-energy charged particles, such as electrons, pass through a medium like water at a speed faster than the speed of light in that medium, creating a visible blue glow.
How do the Aurora borealis glow?
The Sun emits electrically-charged particles called ions, which correspondingly move away from the Sun in a stream of plasma (ionized gas) known as the solar wind. As the plasma comes in contact with the Earth's magnetic field, the ions will be agitated into moving around the Earth. Some of the ions become trapped and will consequently interact with the Earth's ionosphere (an average of 60-80 miles above the surface), causing the ions to glow. This is the same principal as how a neon sign lights up. As electrons pass through the neon tubing, they glow, thus producing the light in a neon sign.
Does radioactive materials glow green?
Some radioactive materials can emit a green glow under certain conditions due to the phenomenon called Cherenkov radiation, which occurs when charged particles travel through a medium faster than the speed of light in that medium. This is commonly seen in nuclear reactors with certain types of fuel rods. However, not all radioactive materials exhibit this green glow.
How can you tell if the blue n intendo DSi is fully charged?
i think it wont glow .
Why does Antarctica get northern lights?
Antarctica does not get the "Northern Lights (Aurora Borealis)", being at the South Pole, it gets the "Southern Lights" or the Aurora Australis. The source of both the Aurora Australis and Aurora Borealis is the sun. A stream of particles known as the "Solar Wind" spills around the edges of the Earth's magnetic sphere and, when it collides with gases in the ionosphere, the particles glow very spectacularly.
Does splat glow in the dark glow anytime you are not in direct light?
No, glow-in-the-dark items, including splat glob, need to be charged under direct light to emit a glowing effect in the dark. The glow will fade over time as the stored light energy diminishes.
