emilybowers1801 emilybowers1801

14-01-2020
Physics

contestada

What did J. J. Thomson observe when he applied electric voltage to a cathode ray tube in his famous experiment? A. The stream of cathode ray particles was moving very slowly. B. The glass opposite of the negative electrode started to glow. C. The electric voltage had little effect on the stream of particles. D. The tube contained two pieces of metal that served as electrodes.

Respuesta :

ariston ariston

16-01-2020

Answer:

Option B

Explanation:

J.J. Thomson, through his famous Cathode ray experiment proved that all atoms contain small negatively charged particles known as electrons. In the experiment, he applied electric voltage across a cathode ray tube. a fluorescent material coating was done on the positive side. When the voltage was applied, the positive side has glowing dots.

Thus, option B is correct.

Answer Link

Vespertilio Vespertilio

01-02-2020

Answer:

Option B

Explanation:

There are two electrodes in the tube. One is cathode and the anode is anode. behind the anode, there is a coating of fluorescent material on the wall of the tube, so when the electrons strikes to the wall, the wall starts glowing.

Answer Link

Otras preguntas

a car starts at a position of -153m and undergoes a displacement of 512m. What is it's final position

Describe in your own words the trick that Crusoe played on the wicked man in the story robinson crusoe.

The mechanism that establishes the medullary osmotic gradient depends most on the permeability properties of the ________. A. collecting duct B. distal convolut

A company had net income of $252,327. Depreciation expense is $21,821. During the year, Accounts Receivable and Inventory increased by $14,346 and $33,617, resp

Cuando me siento mal, el doctor me _____ unas medicinas muy buenas. Si el dolor de cabeza es muy fuerte, toma una _____. Los _____ de una torcedura (sprain)

Explain how you could experimentally determine whether the outside temperature is higher or lower than 0°c (32°f) without using a thermometer. (enter your free-

Use personification to describe the following: a. the old house b. a bicycle c. your cell phone d. my stapler e. a sprinkler

Which of the following statements is an opinion ? A. South Carolina seceded from the Union in 1860. B. Abraham Lincoln won the 1860 presidential election. C. Sl

A company had net income of $252,327. Depreciation expense is $21,821. During the year, Accounts Receivable and Inventory increased by $14,346 and $33,617, resp

___________________theory emphasizes that humans are positively motivated and progress toward higher levels of functioning. a. Humanistic b. Psychoanalytic c.