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Questions and Answers
What did Michael Faraday's experiments with electrolytes suggest about the nature of electricity?
What did Michael Faraday's experiments with electrolytes suggest about the nature of electricity?
- That electricity is a continuous flow of energy
- That electricity has no relationship to matter
- That electricity has a particulate nature (correct)
- That electricity is a purely atomic phenomenon
What was the major insight obtained from the experiments on electrical discharge through gases?
What was the major insight obtained from the experiments on electrical discharge through gases?
- The discovery of the electron (correct)
- The discovery of the proton
- The establishment of the law of conservation of mass
- The confirmation of Dalton's atomic theory
Why did Dalton's atomic theory fail to explain the results of many experiments?
Why did Dalton's atomic theory fail to explain the results of many experiments?
- It failed to incorporate the discovery of electricity generation
- It did not account for the existence of sub-atomic particles (correct)
- It was unable to explain the behavior of charged particles
- It contradicted the law of conservation of mass
What did the experiments with partially evacuated tubes, known as cathode ray discharge tubes, lead to?
What did the experiments with partially evacuated tubes, known as cathode ray discharge tubes, lead to?
What did Michael Faraday's laws regarding electrolyte solutions suggest about electricity?
What did Michael Faraday's laws regarding electrolyte solutions suggest about electricity?
Why did scientists mainly begin to study electrical discharge in partially evacuated tubes in the mid-1850s?
Why did scientists mainly begin to study electrical discharge in partially evacuated tubes in the mid-1850s?
What is the purpose of the two thin pieces of metal, called electrodes, sealed in the cathode ray tube?
What is the purpose of the two thin pieces of metal, called electrodes, sealed in the cathode ray tube?
What happens when cathode rays pass through the perforated anode and strike the zinc sulphide coating?
What happens when cathode rays pass through the perforated anode and strike the zinc sulphide coating?
According to the characteristics of cathode rays, what can be concluded about their behavior in the absence of electrical or magnetic field?
According to the characteristics of cathode rays, what can be concluded about their behavior in the absence of electrical or magnetic field?
Based on J.J. Thomson's measurements, what did he argue that the amount of deviation of particles from their path in the presence of electrical or magnetic field depends upon?
Based on J.J. Thomson's measurements, what did he argue that the amount of deviation of particles from their path in the presence of electrical or magnetic field depends upon?
Why were certain kind of materials like fluorescent or phosphorescent used to observe the behavior of cathode rays?
Why were certain kind of materials like fluorescent or phosphorescent used to observe the behavior of cathode rays?
What did Thomson's experiments with the cathode ray tube suggest about the behavior of cathode rays in the presence of electrical or magnetic field?
What did Thomson's experiments with the cathode ray tube suggest about the behavior of cathode rays in the presence of electrical or magnetic field?
What did Thomson conclude about electrons based on his measurements using electrical and magnetic fields?
What did Thomson conclude about electrons based on his measurements using electrical and magnetic fields?
What happens to cathode rays when there is no electrical or magnetic field present?
What happens to cathode rays when there is no electrical or magnetic field present?
What did Thomson use to measure the ratio of electrical charge to the mass of electrons?
What did Thomson use to measure the ratio of electrical charge to the mass of electrons?
What was observed when sufficiently high voltage was applied across the electrodes in a cathode ray tube?
What was observed when sufficiently high voltage was applied across the electrodes in a cathode ray tube?
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