Register

From cathode ray experiments, j. j. thomson estimated that the mass of an electron was "about a thousandth" of the mass of a proton. how accurate is that estimate? cal…

From cathode ray experiments, j. j. thomson estimated that the mass of an electron was "about a thousandth" of the mass of a proton. how accurate is that estimate? cal…
162k views
0 votes
from cathode ray experiments, j. j. thomson estimated that the mass of an electron was "about a thousandth" of the mass of a proton. how accurate is that estimate? calculate the ratio of the mass of an electron to the mass of a proton.

User Alex Riley
by
8.3k points

1 Answer

4 votes
mass of a proton is: 2.67 • 10^-27 kg
mass of an electron is: 9.11 • 10^-31 kg

mass of an electron/ mass of a proton:

(9.11 • 10^-31 / 2.67 • 10^-27)
= 0.0003411...

This ratio is closest to a ten-thousandth. Therefore, the statement is not accurate.
User InfiniteLearner
by
7.5k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
Link Copied!