Two Particles X and Y Having Equal Charges


What are Particles

In the physical sciences, an atom (or corpuscle in older texts) is a small local object which can be official for several physical or biochemical properties, such as volume, thickness, or mass. Two Particles X and Y Having Equal Charges

They vary in size or quantity, from subatomic elements like the electron, microscopic atoms and molecules and macroscopical particles like dust clouds and other granular materials.

Particles can also create technical models of even larger objects contingent on their density, such as humans touching in a crowd or celestial forms in motion.

The term particle is rather general and is refined as needed by various scientific fields. Anything calm of particles may be referred to as being particulate.

However, the noun particulate is most often used to refer to pollutants in the Earth’s atmosphere, which are a postponement of loose particles rather than a connected particle aggregation.

  1. Question

Two particles, X and Y, having equal custody after being accelerated through the exact potential change, enter a uniform, attractive field region and describe a round path of radii ‘r1​ and ‘r2​’, respectively. The ratio of the figure of X to that of Y is:



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The correct option is D)

The radius of the circular path traced by a particle  r=Bqmv​

Kinetic energy K=21​mv2=eV

∴ r=Bqm2v2


Or r=Bq2meV

⟹  m∝r2

Thus we get the ratio of masses of X to Y m2​m1​​=[r2​r1​​]2

  1. Question

Two particles, A and B, having equal charges +6 C after being accelerated through the same potential difference, enter a region of a uniform magnetic field and describe circular paths of radii 2cm and 3cm, respectively. The ratio of the mass of A to that of B is:


The correct option is C)

Since r=qB2mqV




Hence, m2​m1​​=(32)(2)2​=94​

Conceptual Properties – Two Particles X and Y Having Equal Charges

Conceptual Properties - Two Particles X and Y Having Equal Charges

The concept of particles is chiefly useful when modelling nature, as the natural action of many phenomena can be composite and involve challenging computation. It can use to make simplified moulds concerning the processes involved.

Francis Burns and Mark Zemansky, in University Physics, give the instance of calculating the mooring location and speed of a baseball fearful in the air. They gradually sliver the baseball of most splendid of its properties by first romanticizing it as a rigid, smooth sphere.

Then neglecting rotation, resilience, and friction ultimately reduces the problem to the ballistics of a classical point particle. The treatment of significant numbers of particles is the kingdom of statistical physics.


The term “particle” is usually practical differently to three classes of sizes. The term macroscopical particle usually refers to particles much more significant than atoms and molecules. These are traditionally inattentive as pointlike particles, even though they have volumes, shapes, constructions, etc.

Examples of macroscopic atoms would include powder, dust, sand, pieces of debris throughout a car accident, or even objects as big as the leads of a galaxy.

Another type, microscopic particles, typically refer to particles of sizes reaching from atoms to molecules, such as carbon dioxide, nanoparticles, and colloidal particles. These particles are deliberate in chemistry and atomic and molecular physics.

The minimum of particles is the subatomic particles, which refer to particles smaller than atoms. These would include particles such as the voters of atoms – protons, neutrons, and electrons – and other kinds of particles that can only produce in particle accelerators or cosmic rays. These particles are studied in particle physics.


Particles can also be secret, depending on their composition. Composite particles refer to particles with a design, i.e. particles made up of other particles. For example, a carbon-14 atom comprises six protons, eight neutrons and six electrons.

In contrast, elementary particles (also called fundamental particles) are particles that are not made up of other particles. According to our present understanding of the world, only a minimal number of them, such as leptons, quarks and gluons.

However, some of these may turn out to be composite particles after all and appear to be elementary for the time being. While composite particles can often be thought of as pointlike, elementary particles are genuinely pointlike.

N-body simulation

N-body simulation

In computational physics, many-body simulations (also called N-particle simulations) are simulations of dynamic systems of particles under the influence of certain conditions, such as gravity. These imitations are very common in cosmology and watery computational dynamics.

N refers to the number of atoms considered. Since simulations with higher N are more computationally intensive, systems with large numbers of fundamental particles will often approximate smaller numbers of particles, and simulation algorithms need to optimize through various methods.

Distribution of particles

Distribution of particles

Colloidal particles are the mechanisms of a colloid. A colloid is a substance microscopically dispersed uniformly within another meaning. Said colloidal system can be solid, liquid or gaseous, and continuous or scattered.

The dispersed phase particles have a diameter between about 5 and 200 nanometers. Soluble particles smaller than this will procedure a solution rather than a colloid.

Colloidal systems (also called colloidal solutions or colloidal suspensions) are the subject of interface and colloid science. Suspended solids can contain a liquid, while solid or liquid particles suspend in a gas to form an aerosol.

A conglomerate of discrete solid macroscopic particles can describe as a granular material. The particles can also be in the air as airborne particles, which can constitute air pollution. Larger particles can also form marine debris or space debris.

What is Particle Physics

Particle physics (also known as tall energy physics) is a division of physics that studies the countryside of the particles that make up matter and radiation. Although the word particle can refer to microscopic objects (e.g., protons, gas particles, or even house dust), particle physics often investigates the irreducibly smallest detectable particles and the fundamental interactions necessary to explain their existence behaviour.

These elementary particles are excitations of the quantum fields that also govern their interactions in the current understanding. The currently dominant theory that explains these fundamental particles and fields, along with their dynamics, call the Standard Model. Therefore, modern particle physics generally investigates the Standard Model and its various possible extensions, e.g. to the newest “known” particle, the Higgs boson, or even the oldest known force field, gravity

Subatomic particles

Modern particle physics research focuses on subatomic particles, including atomic components such as electrons, protons, and neutrons (protons and neutrons are complex particles called baryons, made up of quarks), which produce by radioactive and dispersion processes; these particles are photons, neutrinos and muons, as well as a wide range of exotic particles.

Quantum mechanics also governs particle dynamics; they exhibit wave-particle duality, showing particle-like behaviour under experimental conditions and wave-like behaviour under others. In more technical terms, they describe quantum state vectors in a Hilbert space, also covered by quantum field theory. Following the convention of particle physicists, the term elementary particles apply to particles which, according to current understanding, assume to be indivisible and not composed of other particles.


Electrodynamics and chromodynamics part important characteristics: electrons and quarks are point objects; they have no internal structure. This means that they are on equivalent footing when it comes to elementality. There have been attempts to find an internal system in both – to no avail.

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