Which of the Following Statements Is True Regarding Thomson's Cathode

question 140

Multiple Choice

Which of the following statements is true regarding Thomson's cathode ray experiment and the discovery of electrons?

• A)Radioactivity was also discovered.
• B)Magnetic fields deflected cathode rays, but electric fields did not.
• C)Cathode rays were split into two beams by magnetic fields.
• D)The charge of the electron was determined.
• E)The mass-to-charge ratio of the electron was determined.

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Definitions:

Positive Consequence

A beneficial result or effect of an action or condition, often used to reinforce desired behaviors in various contexts, such as learning or behavior modification.

Time Out

A disciplinary technique used to remove a child from an environment where inappropriate behavior has occurred, to encourage self-soothing and reflection.

Systematic Desensitization

is a behavioral therapy technique used to reduce anxiety through gradual exposure to the feared object or situation coupled with relaxation exercises.

Progressive Relaxation

A technique involving the tensing and relaxing of muscle groups in sequence to achieve physical and mental relaxation.