A particle of mass m and charge q has an initial velocity \upsilon^{\to}=\upsilon_0j^{\^}. If an electric field E^{\to}=E_0i^{\^} and magnetic field B^{\to}=B_0i^{\^} act on the particle, its speed will double after a time: [7 Jan 2020 Shift 2]

Correct Answer is : √3mυ0qE0

JEE Main 7 Jan 2020 Shift 2 Solved Paper

Section: Physics

Question : 6 of 75

Marks: +1, -0

A particle of mass m and charge q has an initial velocity

→

=υ0

. If an electric field

→

=E0

and magnetic field

→

=B0

act on the particle, its speed will double after a time:

[7 Jan 2020 Shift 2]

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