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If red light can cause an electron to be ejected from the surface of a piece of cobalt which of the following statements is most likely true?
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Which of the following statements about sea surface temperature is evidence of an El Nino year?
greater than normal in the Eastern Pacific
Which statements about the ratio of cell surface area to cell volume is are correct?
Larger cells will have a greater surface area-to-volume.
Can Hexamine be used as a corrosion inhibitor?
yes sure,,because it have nitrojen and electron non pair. so it can be adsorbed on surface metal by passing non pair's electron and perfopmed the protect film on surface.
What is the complete predicate in volcanoes are places on the earths surface where molten rock gases and ash from deep inside the earth are ejected?
rocks,gases,and ash
What type of microscope can produce three - dmensional images of a cell's surface?
Scanning Electron Microscope (SEM)
When an electron is ejected from the surface what type of energy does the electron possess?
It is moving, so it has kinetic energy.
What are photo-electrons?
An electron ejected from the surface of a material by the photoelectric effect
In what way does the photoelectric effect support the particle theory of light?
In order for an electron to be ejected from a metal surface, the electron must be struck by a photon with at least the minimum energy needed to knock the electron loose.
Which of the following statements about sea surface temperature is evidence of an El Nino year?
greater than normal in the Eastern Pacific
What is auger effect?
When photons of sufficient energy are incident on a surface, an electron is ejected out from the core shell. The electron from the p-orbital or any other orbital of higher energy loses that much energy to fill up the gap created by the loss of this core electron. The energy lost by the p-orbital electron is absorbed by another electron in the same or higher shell, causing it to eject from the atom. This second atom is called the "Auger electron" and the effect is called Auger effect.
How did meteors from Mars arrive on Earth?
Materials get ejected from the surface of Mars by a violent event such as a volcano eruption.
What is the definition of volcano?
A volcano is a natural vent linking the Earth's interior to the surface where hot materials are ejected.
What are craters on a planet?
Craters are where a chunk of space debris, such as a meteor or comet, has struck the surface of the planet and has caused material from the planets (or moons) surface to be ejected outwards.
What is an electron emission?
The process in which an electron emit from metal surface into surrounding is known as electrons emission
Which type of electron microscope is best for observing surface features and overall appearance?
The Scanning Electron Microscope
What is stopping potential?
The stopping potential is the potential (energy/unit charge) or (Joules/Coulomb) that must be applied to stop the electrons from being ejected from the surface when the light is shone on it.
How do Martian meteors leave Mars?
Martian meteorites were ejected from the surface of Mars during massive asteroid and comet impacts.
