Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A positive, singly ionized atom of mass number 
is accelerated from rest by the voltage 
. Thereafter, it enters a rectangular region of width 
with magnetic field 
Tesla, as shown in the figure. The ion finally hits a detector at the distance 
below its starting trajectory.
[Given: Mass of neutron/proton 
, charge of the electron 
.]
Which of the following option(s) is(are) correct?
A
The value of ![]()
for 
ion is 
.
ion is .
B
The value of ![]()
for an ion with 
is 
.
is .
C
For detecting ions with 
, the minimum height ![]()
of the detector is 
.
, the minimum height .
D
The minimum width 
of the region of the magnetic field for detecting ions with 
is 
.
of the region of the magnetic field for detecting ions with is .
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b)
For 
ion
For 
──────────────────────────────────────────────────────────────────────────────────────────
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