Q.
A charged particle is moving in a region where a uniform gravitational field and uniform magnetic field exist (Electric field is zero). Then path of the particle may be
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
a straight line
b
a parabola
c
a helic
d
both (1) and (3) are correct
answer is D.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
If the magnetic field is vertically down ward or vertically upward and the particle is projected vertically down ward or vertically upward. Then magnetic force F→=QV→×B→ is zero and the path is a vertical straight line. If the particle is projected vertically and the magnetic field is horizontal then the path is a helix of variable pitch.For parabolic path acceleration of the particle must be constant. But if both gravitational field g→ and magnetic field B→ exist and B→ is not parallel to g→ then acceleration of the particle cannot remain constant.
Watch 3-min video & get full concept clarity