Description for anode ray
What Are Anode Rays? When careful experiments were carried out using perforated cathode in the discharge tube, a new type of rays known as anode rays were revealed. These rays after emitted by anode pass through the pores made in the cathode surface. These rays carry a positive charge and hence also known as positive rays. These rays carry positive charged particles and their e/m ratio changes from gas to gas unlike the e/m ratio of the constituent particles of cathode rays. Actually these positively charged constituents of the anode rays are nothing but the atoms of the gas left after one or more electrons are knocked out of them.
Hydrogen is the lightest element and gives smallest positive particles and is known as proton. The charge carried by a single proton/electron is the smallest charge carried by any particle. For the same reason only, the charge on one proton is called unit positive charge and on one electron is called unit negative charge
Properties of ANODE Rays
(i). They consist of Positively charged particles. Their mass is virtually the same as that of the atoms from which they are derived and is found to be equal to the atomic mass of the gas in the discharge tube.
(ii). They travel in straight lines.
(iii). They are capable of producing physical and chemical changes.
(iv). They can penetrate thin metal foils.
(v). They can produce ionization in gases.
(vi). They are deflected by electrical and magnetic fields just as the cathode rays but in opposite directions showing that they are oppositely charged, i.e., they carry positive charge. Since their deflection is very little, they consist of very heavy particles.
It was found that these rays, unlike cathode rays have very low e/m ratio which varied with the particular gas used in the tube but remains unaffected by varying the material of the anode and hence it was concluded, that they were produced from the gas and not from the anode.
When careful experiments were carried out using perforated cathode in the discharge tube, a new type of rays known as anode rays were revealed. These rays after emitted by anode pass through the pores made in the cathode surface. These rays carry a positive charge and hence also known as positive rays. These rays carry positive charged particles and their e/m ratio changes from gas to gas unlike the e/m ratio of the constituent particles of cathode rays. Actually these positively charged constituents of the anode rays are nothing but the atoms of the gas left after one or more electrons are knocked out of them.
Hydrogen is the lightest element and gives smallest positive particles and is known as proton. The charge carried by a single proton/electron is the smallest charge carried by any particle. For the same reason only, the charge on one proton is called unit positive charge and on one electron is called unit negative charge
Properties of ANODE Rays
(i). They consist of Positively charged particles. Their mass is virtually the same as that of the atoms from which they are derived and is found to be equal to the atomic mass of the gas in the discharge tube.
(ii). They travel in straight lines.
(iii). They are capable of producing physical and chemical changes.
(iv). They can penetrate thin metal foils.
(v). They can produce ionization in gases.
(vi). They are deflected by electrical and magnetic fields just as the cathode rays but in opposite directions showing that they are oppositely charged, i.e., they carry positive charge. Since their deflection is very little, they consist of very heavy particles.
It was found that these rays, unlike cathode rays have very low e/m ratio which varied with the particular gas used in the tube but remains unaffected by varying the material of the anode and hence it was concluded, that they were produced from the gas and not from the anode.
