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

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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

[at]

Answer to Question 1

TRUE

Answer to Question 2

C

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Gracias!

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TYSM