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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > A charged particle carrying charge 1μC is moving with velocity (2 i^ + 3 j^ + 4 k^) ms-1 . if an external magnetic filed of (5 i^ + 3 j^ – 6 k^) x 10^-3 T exists in the region where the particle is moving then the force on the particle is F x 10^-9 . The vector F is

A charged particle carrying charge 1μC is moving with velocity (2 i^ + 3 j^ + 4 k^) ms-1 . if an external magnetic filed of (5 i^ + 3 j^ – 6 k^) x 10^-3 T exists in the region where the particle is moving then the force on the particle is F x 10^-9 . The vector F is

fraction of active material remaining after time t is 9/16. The fraction that was remaining after t/2 is In a radioactive material