Thomson's Experiment Quiz

What happens to the electrons when the electric field is turned off?

What force is primarily responsible for the centripetal motion of electrons in Thomson's experiment?

In Thomson's experiment, if the magnetic field covered a larger area, what effect would this have on the electrons?

What is the relationship between the charge, mass, velocity, magnetic field, and radius in Thomson's formula?

Which of the following values is given for the magnetic field in the example provided?

What is implied about the velocity of electrons in Thomson's experiment with high velocities?

Which variable represents the charge-to-mass ratio in Thomson's formulas?

What could Thomson do if he wished to increase the stability of the electron path?

What is the initial purpose of the hot filament in the experiment?

What effect does the electric field have on electrons when only the second set of parallel plates is activated?

In the presence of a magnetic field alone, how do the electrons behave?

What results when both the electric and magnetic fields are activated correctly?

What would happen if the voltages applied to the plates were equal and opposite?

How does the design of the CRT ensure the electrons follow a controlled path?

What phenomenon occurs when electrons hit the globe at the end of the tube due to the electric field?

Which of these statements is true regarding the movement of electrons in a CRT?

What significant outcome did J.J. Thomson achieve in his first experiment?

What did Thomson use to improve the accuracy of his experiments in the cathode ray tube?

In Thomson's second experiment, what did he observe about the cathode rays in an electric field?

What key property did Thomson measure in his third experiment?

Why was the charge-to-mass ratio important in Thomson's research?

What was the main purpose of John Dalton's Solid Sphere Model?

What were cathode rays observed to do in a cathode ray tube?

Which of the following statements about Thomson's experiments is FALSE?

Who among Thomson's associates also won a Nobel Prize in Physics?

What did William Crookes conclude about the particles in a cathode ray tube?

Why is it called a cathode ray tube?

What did Thomson infer about the nature of cathode rays after conducting his experiments?

Which of the following best describes Dalton's view on atoms?

What notable effect did Jean Baptiste Perrin demonstrate with cathode rays?

What limitation did Dalton's model of atoms have?

What was one of the first experiments that provided insight into atomic structure?

What is the relationship between electric force and magnetic force when they are balanced?

In the velocity selector formula, what does the variable 'E' represent?

If the electric field is 7.62e7 N/C and the magnetic field is 3.65 T, what is the velocity of the electrons?

How can the velocity of electrons be adjusted in a CRT setup?

What is the physical significance of the computed electron velocity being almost 10% the speed of light?

What does the variable 'v' represent in the equation $E = vB$?

What happens to the forces acting on electrons when they are at the specific velocity defined by the velocity selector formula?

What defines the velocity range of electrons in a velocity selector?

What aspect of cathode rays did Thomson's findings highlight?

What nickname is commonly used for Thomson's model of the atom?

What was Thomson's initial belief about the composition of atoms?

How did Thomson explain the presence of neutral atoms?

What can be inferred about Thomson's value for the charge-to-mass ratio?

What did Thomson's conclusion about electrons suggest about their size?

What physical analogy is used to describe Thomson's Plum Pudding Model?

What experimental evidence contributed to Thomson's conclusions about cathode rays?

What was the main limitation of Dalton's Solid Sphere Model?

What effect did William Crookes observe in his cathode ray tube experiments?

What did Jean Baptiste Perrin demonstrate about cathode rays in his experiments?

How did cathode ray tubes contribute to the understanding of atomic structure?

What aspect of cathode rays was significant to J.J. Thomson's research?

Which statement best reflects the characteristics of atoms according to Dalton's model?

What concept did Thomson's Plum Pudding Model introduce about the atom?

What approach did Crookes use to investigate cathode rays?

What occurs to the electrons in the absence of the electric field?

In Thomson's experiment, what is the effect of increasing the size of the magnetic field?

Which equation represents the relationship between the charge-to-mass ratio and the other variables in Thomson's findings?

What does the variable 'r' signify in Thomson's equations?

What role does the magnetic field play in the movement of electrons in Thomson's experiment?

When trapping electrons in a larger magnetic field, what type of motion do they exhibit?

If the electric field strength is increased, what is the likely effect on the electron's path in Thomson's experiment?

What is the significance of the velocity of an electron being almost 10% the speed of light in Thomson's findings?

What was the main outcome of J.J. Thomson's first experiment with cathode rays?

What breakthrough did Thomson achieve in his third experiment?

Why did Thomson build a nearly perfect vacuum tube for his second experiment?

What can be concluded about the charge-to-mass ratio based on Thomson's findings?

Which aspect of Thomson's cathode ray tube experiments was crucial for understanding atomic structure?

What was the significance of the electric field in Thomson's second experiment with cathode rays?

What did Thomson's exploration of cathode rays ultimately reveal about atoms?

What was the role of J.J. Thomson's assistants in his research?

What was the initial belief of J.J. Thomson regarding the composition of atoms?

What does the charge-to-mass ratio indicate about cathode rays according to Thomson's findings?

What is the primary concept of Thomson's Plum Pudding model of the atom?

What did Thomson conclude about the nature of the electrons after reviewing cathode rays?

How does Thomson's Plum Pudding model visualize the structure of an atom?

Why did Thomson believe there must be a positive substance in atoms?

What nickname is commonly given to Thomson's model of the atom?

How are the electric and magnetic forces related when they are in balance?

What is the correct formula to find the velocity of electrons in a velocity selector?

What happens to electrons moving at the specific velocity defined by the velocity selector formula?

If an electric field of $7.62e7$ N/C and a magnetic field of $3.65$ T are applied, what is the calculated velocity of the electrons?

What does the variable 'B' represent in the velocity selector formula?

In the context of the velocity selector setup, why is it significant that the electrons are moving at almost 10% the speed of light?

What does the equation $F_e = F_m$ imply about the system of forces acting on the electrons?

What does the relationship $E = vB$ represent in the context of the experiment?

What is the calculated charge-to-mass ratio determined by the experiment?

What is the significance of the velocity calculated for the electron, specifically $3.2068966e7$ m/s?

How does the calculated charge-to-mass ratio compare to the accepted theoretical value?

What is the role of the magnetic field in calculating the charge-to-mass ratio?

Which of the following formulas is critical in determining the charge-to-mass ratio during Step Two of the experiment?

What does the variable 'r' represent in the context of the equations used to find the charge-to-mass ratio?

In the experimental calculations, what is implied if the calculated charge-to-mass ratio has a percent error?

What constant represents the theoretical value of charge used in the charge-to-mass ratio calculation?