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In the Geiger and Marsden experiment, alpha particles were fired at a thin gold foil. They observed that while most alpha particles passed straight through, some were deflected at large angles and even back towards the source. This led to the conclusion that the majority of the atom's mass is concentrated in a small, positively charged nucleus, causing the deflections.

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Q: How Geiger and marsden experiment of alpha was deflected?
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Who used the gold foil experiment to determine the atom is mostly empty space?

Ernest Rutherford used the gold foil experiment to determine that the atom is mostly empty space. He directed alpha particles at a thin sheet of gold foil and found that while most particles passed through, some were deflected, leading him to conclude that atoms have a small, dense nucleus surrounded by mostly empty space.


What instrument measures radiation?

Geiger Counter, named after Hans Geiger, who developed the device in 1908. There are several others, Crystals that emit light when exposed to radiation are coupled to photoelectric tubes and the light out-put of the crystal is a measure of the radiation absorbed by the crystal. Gas filled ionization chambers which operate much like a Geiger counter are another. Thermoluminescent materials, photographic (x-ray) film, cloud chambers, and bubble chambers are a few others. Sometimes it can poo There are several others, Crystals that emit light when exposed to radiation are coupled to photoelectric tubes and the light out-put of the crystal is a measure of the radiation absorbed by the crystal. Gas filled ionization chambers which operate much like a Geiger counter are another. Thermoluminescent materials, photographic (x-ray) film, cloud chambers, and bubble chambers are a few others. Sometimes it can poo There are several others, Crystals that emit light when exposed to radiation are coupled to photoelectric tubes and the light out-put of the crystal is a measure of the radiation absorbed by the crystal. Gas filled ionization chambers which operate much like a Geiger counter are another. Thermoluminescent materials, photographic (x-ray) film, cloud chambers, and bubble chambers are a few others. Sometimes it can pooThe radiation dosimeter (there are also sound dosimeters, ultraviolet dosimeters and electromagnetic field dosimeters)geiger counterthe device that is used to measure the radiation is name radimeter.A Geiger counter reads radiation levels.


What type of star alpha?

There is no "star alpha". Alpha is PART of the name of many stars - basically one for each constellation.


Which star is bigger the alpha centauri or the sun?

Alpha Centauri is actually a binary star system consisting of two stars, Alpha Centauri A and Alpha Centauri B. Alpha Centauri A is slightly larger than the Sun, while Alpha Centauri B is slightly smaller.


How did chadwick use the results of his experiment to come up with his theory?

Chadwick's experiment on the deflection of alpha particles by a thin sheet of beryllium led to the discovery of the neutron, as the neutral particle responsible for this deflection. Based on his results, Chadwick proposed that the atom had a neutral particle in its nucleus, now known as the neutron, which explained the missing mass in atoms. This led to the development of the neutron theory of the atomic nucleus.

Related questions

In one of the classic nuclear physics experiments at the beginning of the 20 century an alpha particle was accelerated towards a gold nucleus and its path was substantially deflected by the Coulomb?

This is the Rutherford experiment: discovery of the atomic nucleus.


What was the Ernest Rutherford's experiment?

Rutherford, Geiger and Marsden observed that a beam of alpha particles is deflected on a gold foil. They concluded that this effect is due to a positive entity in the atom. And they discovered the atomic nucleus, separate from electrons and the model of Thomson become obsolete.


Why did Geiger and Marsden's experiment take place in a vacuum?

Geiger and Marsden's experiment took place in a vacuum to minimize interactions between the alpha particles and air molecules. This allowed them to study the deflection pattern of alpha particles by the gold foil accurately, without interference from air molecules that could scatter the particles in unpredictable ways.


What was the Gold foil experiment?

Hans Geiger and Ernest Marsden, having been directed by Ernest Rutherford, fired alpha particles at an extremely thin sheet of gold foil. A screen detected where and if the atoms were deflected. Approximately 1 in 8000 atoms were deflected at angles of over 90 degrees. Rutherford used these results to claim the existence of a very small, positively-charged nucleus in an atom.


Who did sir ernest Rutherford work with?

Sir Ernest Rutherford worked with other notable scientists such as Hans Geiger, who collaborated with him on the famous Geiger-Marsden experiment that led to the discovery of the atomic nucleus. Rutherford also mentored future Nobel laureates like Niels Bohr and James Chadwick during his career.


Who discover the nucleus using the alpha particles bombarded into the gold leaf?

Ernest Rutherford discovered the nucleus by conducting the famous gold foil experiment in 1909. He bombarded alpha particles onto a thin gold foil and observed that some particles were deflected, leading him to conclude that atoms have a dense nucleus at their center.


What Led to the discovery of the nucleus?

Alpha particle ie doubly ionized helium atom scattering by the gold foil experiment formed the basis for the discovery of nucleus. The experiment was done by Marsden and Geiger but the experimental observation was commented and final conclusion derived by Rutherford.


Who used the gold foil experiment to determine the atom is mostly empty space?

Ernest Rutherford used the gold foil experiment to determine that the atom is mostly empty space. He directed alpha particles at a thin sheet of gold foil and found that while most particles passed through, some were deflected, leading him to conclude that atoms have a small, dense nucleus surrounded by mostly empty space.


What might happen in geiger and marsden had used magnesium foil insted of gold?

If Geiger and Marsden had used magnesium foil instead of gold in their famous scattering experiment, they would have observed less scattering due to the lighter mass and lower atomic number of magnesium compared to gold. This would have resulted in the alpha particles penetrating the foil with less deflection, leading to different conclusions about the structure of the atom.


Who used metallic foil as a target for alpha bombardment?

Ernest Rutherford used metallic foil, specifically gold foil, as a target for alpha particle bombardment in his famous gold foil experiment. This experiment led to the discovery of the atomic nucleus and the development of the nuclear model of the atom.


Who was the first scientist whose alpha particle scatterring experiment led him to conclude that the the nucleus of an atom contains a dense center of positive charge is?

The experiments were being done by Ernest Marsden, and Hans Geiger, under the supervision of Ernest Rutherford.


Which scientist was the first to conclude through experimentation that atoms have positive charges in their nuclei?

Ernest Rutherford was the first scientist to conclude, through his gold foil experiment, that atoms have positive charges concentrated in their nuclei. This experiment led to the development of the nuclear model of the atom.