A proton is projected with a speed of 3x10^6 m/s horizontally from east to west. A uniform magnetic field ‘B’ of strength 2x 10^-3 T exists in the vertically upward direction the magnitude of magnetic force on proton is F x 10^-16 N. Find the value of F?
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Use f=qvbsinteeta
Sin teeta = 90
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