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thermionic emission occurs when the filaments are heated to a certain degree, causing the electrons to boil off and form a space charge or electron cloud.

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Where does the thermionic emission occur in cathode rays tube?

Thermionic emission occurs at the cathode in a cathode ray tube, which is a vacuum tube that generates electron beams. When the cathode is heated, electrons are emitted and accelerated towards the anode, leading to the generation of cathode rays within the tube.


What are the differences between thermionic emission and evaporation?

Thermionic emission is the process by which electrons are emitted from a heated metal surface, while evaporation is the process by which molecules in a liquid state gain enough energy to escape into the gas phase. Thermionic emission specifically involves the emission of electrons, whereas evaporation involves the transition of molecules from a liquid to a gas phase. Additionally, thermionic emission typically occurs at high temperatures, while evaporation can occur at a wide range of temperatures depending on the substance.


What is seminal emission?

Seminal emission refers to the release of semen from the penis during ejaculation. It can occur during sexual activity or while dreaming and is a normal physiological process for males.


How do emit electrons from copper metal?

Electrons can be emitted from copper metal through a process called photoemission, where photons of sufficient energy strike the copper surface, imparting energy to the electrons and overcoming the work function of the material. Alternatively, thermionic emission can occur when the copper is heated, providing enough thermal energy to allow electrons to escape from the metal's surface. Additionally, in a vacuum, applying a strong electric field can facilitate the emission of electrons through field emission.


Why does mottling occur during tablet production?

Mottling occurs when the dye migrates during the granules' drying process.


What happens inside an extinguisher when the handle is pressed?

Combustion occur and emission


Do most inheritable differences occur during the production of gametes due to gene shuffling?

Yes, most inheritable differences occur during the production of gametes through processes like gene shuffling during meiosis. This leads to genetic variation in offspring as a result of the combination of genetic material from two parents.


In what part of a chloroplast does glue close production occur?

The production of glucose takes place during the light independent reactions (Calvin cycle) in the Stroma.


When does carbohydrate production occur in a chloroplast?

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How many times emission occur in radioactive series?

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What does emission do to radiation?

Emission refers to the release of radiation from a source. This can occur in various forms such as light, heat, or particles. Emission can either increase the intensity of radiation or change its properties, depending on the source and energy involved.


Does the production of sex cells occur during puberty?

yes, this happens both when men and women go through puberty