How do cathode rays differ from anode rays?

Cathode rays and anode rays are terms that were historically used to describe the behavior of charged particles in vacuum tubes or gas discharge tubes. These terms are no longer commonly used in modern physics, but they refer to different phenomena:

Cathode Rays:

Cathode rays are negatively charged particles, primarily electrons, that are emitted from the cathode (negative electrode) in a vacuum tube.
They travel in straight lines from the cathode to the anode (positive electrode) within the vacuum tube.
Cathode rays are negatively charged because electrons are negatively charged particles.
These rays were the subject of extensive research in the late 19th and early 20th centuries and played a crucial role in the development of modern atomic and particle physics. They led to the discovery of the electron and contributed to our understanding of atomic structure.
Anode Rays (also known as Positive Rays):

Anode rays, on the other hand, are positively charged particles that are formed when a gas discharge tube is filled with a low-pressure gas and a high voltage is applied between the cathode and anode.
These positively charged ions or cations are attracted to the negatively charged cathode and travel toward it.
Anode rays have a mass and charge that depend on the type of gas in the tube and the voltage applied.
The study of anode rays provided valuable information about the masses and charges of various ions and contributed to the development of mass spectrometry.
In summary, cathode rays are negatively charged electrons emitted from the cathode, while anode rays are positively charged ions formed in a gas discharge tube. Both phenomena were important in the early days of particle physics and contributed to our understanding of the behavior of charged particles in vacuum tubes. However, the terminology has evolved, and modern physics describes these phenomena using more precise terms and concepts.