Author Question: The electron was discovered in 1897 by the English physicist J. J. Thomson. Indicate whether the ... (Read 41 times)

captainjonesify · **on:** Jul 29, 2018

The electron was discovered in 1897 by the English physicist J. J. Thomson.

Indicate whether the statement is true or false

Question 2

What is the uncertainty in determining the momentum of an electron if the speed of the electron is 6000 m/s within an accuracy of 0.004?

A) 1.09 10-31 kgm/s
B) 1.31 10-31 kgm/s
C) 2.19 10-31 kgm/s
D) 3.21 10-31 kgm/s
E) 4.38 10-31 kgm/s