There are uniform electric and magnetic fields in a region pointing along X-axis. An \alpha-particle is projected along Y-axis with a velocity v. The shape of the trajectory will be:

Correct Answer is : helical with its axis parallel to X-axis

helical with its axis parallel to {\X}-axis

helical with its axis parallel to {\Y}-axis

CBSE Class 12 Physics 2020 Outside Delhi Set 3 Paper

Question : 2 of 13

Marks: +1, -0

There are uniform electric and magnetic fields in a region pointing along

X

-axis. An

α

-particle is projected along Y-axis with a velocity

v

. The shape of the trajectory will be:

Solution:

{\X}

-axis

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