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Questions and Answers
What is the charge of cathode rays?
What is the charge of cathode rays?
- Neutral
- Variable
- Positive
- Negative (correct)
Who concluded that all atoms must contain electrons based on the behavior of cathode rays?
Who concluded that all atoms must contain electrons based on the behavior of cathode rays?
- Dalton
- Thomson (correct)
- Bohr
- Rutherford
When an external electrical field is present, how do cathode rays behave?
When an external electrical field is present, how do cathode rays behave?
- Travel straight from cathode to anode
- Bend towards the positive plate (correct)
- Remain stationary
- Bend towards the negative plate
What is the name given to the particles constituting the cathode rays?
What is the name given to the particles constituting the cathode rays?
Why did Thomson conclude that all atoms must contain electrons?
Why did Thomson conclude that all atoms must contain electrons?
What did Thomson's conclusion about atoms being divisible imply?
What did Thomson's conclusion about atoms being divisible imply?
What did Sir J.J. Thomson conclude about the particles constituting cathode rays?
What did Sir J.J. Thomson conclude about the particles constituting cathode rays?
How do cathode rays behave in the absence of an external magnetic or electric field?
How do cathode rays behave in the absence of an external magnetic or electric field?
What was observed when very high voltage was passed across the electrodes in an evacuated tube?
What was observed when very high voltage was passed across the electrodes in an evacuated tube?
What did Eugen Goldstein discover before the electron?
What did Eugen Goldstein discover before the electron?
What property of cathode rays makes them attract towards a positively charged plate?
What property of cathode rays makes them attract towards a positively charged plate?
What was found to be independent of the nature of gas in the cathode ray tube?
What was found to be independent of the nature of gas in the cathode ray tube?
Why were anode rays called canal rays?
Why were anode rays called canal rays?
'Cathode rays travel from cathode to anode' implies that:
'Cathode rays travel from cathode to anode' implies that:
What was observed behind the perforated cathode when a high voltage was applied in Goldstein's experiment?
What was observed behind the perforated cathode when a high voltage was applied in Goldstein's experiment?
What characteristic did anode rays share with cathode rays?
What characteristic did anode rays share with cathode rays?
Why were anode rays also called positive rays?
Why were anode rays also called positive rays?
In Goldstein's experiment, what type of cathode was used?
In Goldstein's experiment, what type of cathode was used?
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