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Questions and Answers
What is the name of the scientist who is primarily credited with experimenting on cathode rays?
What is the name of the scientist who is primarily credited with experimenting on cathode rays?
From what part of the cathode ray tube do the cathode rays originate?
From what part of the cathode ray tube do the cathode rays originate?
How are cathode rays made visible to the human eye?
How are cathode rays made visible to the human eye?
What happens to the direction cathode rays travel in the absence of an external electric or magnetic field?
What happens to the direction cathode rays travel in the absence of an external electric or magnetic field?
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Which of these factors DO NOT influence the characteristics of cathode rays?
Which of these factors DO NOT influence the characteristics of cathode rays?
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Study Notes
Cathode Ray Experiments (1850s)
- Scientists like Faraday conducted experiments, which revealed the existence of negatively charged particles.
- Cathode rays originate from the cathode (negative electrode).
- Cathode rays can be observed using fluorescent or phosphorescent materials that glow when struck.
- In the absence of electric or magnetic fields, cathode rays travel in straight lines.
- The characteristics of cathode rays are not affected by the material of the electrodes or the nature of the gas present.
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Description
Explore the groundbreaking experiments of the 1850s that led to the discovery of cathode rays and negatively charged particles. Delve into the characteristics of cathode rays and their behavior, which remain unchanged regardless of electrode materials or gas nature. This quiz tests your knowledge on the fundamental principles behind cathode ray observations and their implications in science.
