Question

A proton (mass = 1.67 x 10-27 kg) on entering in a vertical electric field E is balanced.
Then the electric field strength is
A) 10-9 Vm-1
C) 10+? Vm
B) 10-7 Vm-
D) 10-8 Vm-​

Answer 1

Answer:

Explanation:

E=mg/q

E=1.67×10^-27×9.8/1.6×10^-27

E=10^-7 V/m

Answer 2

Answer:

Explanation:

B