CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A proton moving with a velocity of (6^i+8^j)×105 ms1 enters uniform magnetic field of induction 5×103^kT . The magnitude of the force acting on the proton is :
(^i,^j and ^k are unit vectors forming a right handed triad)

A
0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
8×1016N
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
3×1016N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4×1016N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 8×1016N
Force on a charged particle in magnetic field is given by,
¯F=q(V×B)
=1.6×1019((6^i+8^j)×5^k)×105×103
=1.6×1019×102(30^j+40^i)
=1.6×1016(3^j+4^i)
|F|=1.6×101632+42
=1.6×1016×5N
=8×1016N

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Relative
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon