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Two properties of cathode rays are:
1. They are negatively charged particles: Cathode rays are composed of electrons, which have a negative charge. This characteristic was determined through various experiments, such as the one conducted by J.J. Thomson using a cathode ray tube. The deflection of cathode rays in the presence of electric and magnetic fields indicated the negative charge of these particles.
2. They travel in straight lines: Cathode rays move in straight lines from the cathode (negatively charged electrode) to the anode (positively charged electrode) within a vacuum tube. This property was observed in early experiments with cathode rays, demonstrating their directional behavior in the absence of any external forces.
Understanding these properties helps in comprehending the behavior and nature of cathode rays, leading to advancements in the field of physics and technology.
