Physics, 25.02.2020 19:01 kiaraphilman2956

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In Rutherford's gold foil experiment, the alpha particles that traveled through the gold foil hit the screen behind it in more than one spot. Explain the significance of this finding and the discovery it led to.

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Answer from: omar4538

In the gold foil experiment, Rutherford fired alpha particles (which are nuclei of helium) at a thing gold foil, and then he observed the angular distribution of the scattered alpha particles beyond the foil.

He made the following observations:

Most of the alpha particles passed through the foil mostly undeflectedSome of the alpha particles were instead deflected at very large anglesA few of the alpha particles were even reflected back to the original direction

According to these observations, he made the following conclusions:

The vast majority of the space in an atom is empty, as most of the the alpha particles pass undeflectedThe atoms have a central nucleus containing a large positive charge, to explain the large deflections of some alpha particlesThe nucleus of the atom is very tiny and contains most of the mass of the atom, to explain the alpha particles reflected back

This experiment therefore contribute to improve the model of the atom: the previous model was the Thomson model (plum-pudding model), but the experiment proved that this was not the right model, and the experiment lead to a new model, in which the atom is believed to consists of a tiny, positive nucleus surrounded by negatively charged electrons orbiting around the nucleus at a very large distance from it.

Answer from: Quest

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia

Answer from: Quest

i think it would be 5

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