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Chapter 37: Q. 3 (page 1081)

Thomson observed deflection of the cathode-ray particles due to magnetic and electric fields, but there was no observed deflection due to gravity. Why not?

Short Answer

Expert verified

The required statement is explained below.

Step by step solution

01

Given Information 

We need to explain if there was no observed deflection due to gravity or not.

02

Explanation

The force due to gravity is very much smaller than the electric and magnetic forces because of the very small of the cathode-ray particles.

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Most popular questions from this chapter

A newspaper delivery boy is riding his bicycle down the street at 5.0 m/s. He can throw a paper at a speed of 8.0 m/s. What is the paper鈥檚 speed relative to the ground if he throws the paper (a) forward, (b) backward, and (c) to the side?


9. Electrons pass through the parallel electrodes shown in FIGURE EX37.9 with a Speedtowards left . What magnetic field strength and direction will allow the electrons to pass through without being deflected? Assume that the magnetic field is confined to the region between the electrodes.

Electrons pass through the parallel electrodes shown in FIGUREEX37.9with a speed of role="math" localid="1649760459253" 5.0脳106m/s. What magnetic field strength and direction will allow the electrons to pass through without being deflected? Assume that the magnetic field is confined to the region between the electrodes.

a. Summarize the experimental evidence prior to the research of Thomson by which you might conclude that cathode rays are some kind of particle.

b. Summarize the experimental evidence prior to the research of Thomson by which you might conclude that cathode rays are some kind of wave.

FIGURE Q37.6 shows a magnetic field between two parallel, charged electrodes. An electron with speed vopasses between the plates, from left to right, with no deflection. If a proton is fired toward the plates with the same speed vo,will it be deflected up, deflected down, or pass through with no deflection? Explain.
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