$1,000,000
$500,000
$250,000
$125,000
$64,000
$32,000
$16,000
$8,000
$4,000
$2,000
$1,000
$500
$300
$200
$100
|
$500 QUESTION
Which of the following is not a property of cathode rays?
A. They are deflected by magnetic fields
B. They are deflected by electric fields
C. They can penetrate thin metal sheets
D. They have no mass
|
