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प्रश्न
What did Thomson apply across the discharge tube to determine the speed and specific charge of cathode ray particles?
पर्याय
Ultraviolet light and high temperature
Mutually perpendicular electric and magnetic fields
Only an electric field
Only a magnetic field
MCQ
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उत्तर
Thomson applied mutually perpendicular electric and magnetic fields across the discharge tube. This allowed him to determine the particles’ speed and specific charge.
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