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Why are gamma rays not deflected when passed between electrically charged plates?
Gamma rays are neutral particles and do not carry an electric charge. Therefore, they are not affected by electric fields and are not deflected when passing between charged plates. Only charged particles are influenced by electric fields.
What did Thomson conclude about the particles in cathode rays?
Thomson concluded that cathode rays are made up of negatively charged particles, which he called electrons. He determined that these electrons are a fundamental component of matter and have a much smaller mass compared to atoms.
What evidence did Thomson have that his glowing beam contained negative particles?
J.J. Thomson discovered that his glowing beam contained negative particles by observing the deflection of the beam in an electric field and measuring the charge-to-mass ratio of the particles. This led to his conclusion that the particles in the beam were negatively charged electrons.
What does non-ionic mean?
Non-ionic means not carrying an electric charge. Non-ionic compounds or molecules do not contain positively or negatively charged ions, unlike ionic compounds which do. This property allows non-ionic substances to have different solubility and chemical characteristics compared to ionic compounds.
Why are electrons in a cathode ray tube deflected by magnetic and electric fields?
Electrons in a cathode ray tube are deflected by magnetic and electric fields because they have properties of charge and mass. The electric fields exert a force on the electrons due to their charge, causing them to move. The magnetic fields interact with the moving charges of the electrons, resulting in a deflecting force perpendicular to both the field and the electron's velocity.
How did JJ Thomson know that the particles in the cathode-ray tube were negatively charged?
They are found to be deflected by electric and magnetic field in the specific direction in which a negatively charged particle would get deflected.
Are cathode rays deflected toward a negatively charged plate in an electric field?
Yes, cathode rays are deflected towards a positively charged plate in an electric field. The negatively charged particles in the cathode rays are attracted to the positive plate, causing the deflection.
Who discovered magnetic field of electric current?
Hans Christian Oersted discovered the magnetic field of electric current in 1820. He observed that a compass needle was deflected when placed near a wire carrying an electric current, showing a relationship between electricity and magnetism.
What do you mean by magnetic affect of electric?
The magnetic effect of electric current is known as electromagnetic effect. It is observed that when a compass is brought near a current carrying conductor the needle of compass gets deflected because of flow of electricity. This shows that electric current produces a magnetic effect.
Are electromagnetic waves deflected by magnetic and electric fields?
According to photon theory ,electromagnetic radiation consists of photon which are changeless particles. therefore they are not deflected by electric or magnetic fields.
When did JJ Thomson discover the electron?
J.J. Thomson discovered the electron in 1897 while conducting experiments on cathode rays. He observed that these rays could be deflected by electric and magnetic fields, leading him to propose the existence of a negatively charged particle within the atom, which he named the electron.
How did J.J. Thomson discover negative charges?
J.J. Thomson discovered negative charges by studying cathode rays in a vacuum tube, where he observed that they were deflected by electric and magnetic fields in a way consistent with negatively charged particles. This led him to propose the existence of negatively charged particles, which he later named electrons.
Is electric field can deflect y-rays?
As gamma rays are neutral it cannot be deflected by electric field.
Which are defected by electric and magnetic fields?
Any charged particle in motion especially not parallel to the magnetic field, current carrying conductor kept inclined or perpendicular to the magnetic field would get deflected. As far as electric field is concerned, even stationary charges would be displaced.
Which scientist discovered that cathode rays are made up of negatively charged particles?
J.J. Thomson discovered that cathode rays are made up of negatively charged particles. He conducted experiments using cathode ray tubes and found that the rays were deflected by electric and magnetic fields in a manner consistent with the presence of negatively charged particles.
Why does a compass change direction when it is near a current-carrying wire?
A compass needle is deflected when placed near a current-carrying wire due to the magnetic field generated by the flow of electric current. The magnetic field produced by the current interacts with the Earth's magnetic field, causing the needle to align in a different direction.
Which rays are not deflected by electric or magnetic fields?
Neutrinos are not deflected by electric or magnetic fields because they have no electric charge and very weak interactions with matter. These properties allow neutrinos to travel through space without being affected by electromagnetic forces.
