A stream of two different particles of unknown charge and mass is directed horiz

Question

A stream of two different particles of unknown charge and mass is directed horizontally through the gap in a magnetic shield. The path taken by the particles is shown on the diagram above, with one set of particles striking the shield at location 1 and the other stream of particles striking the shield at location 2. If all of the particles had the same velocity when they were directed through the gap, which of the following statements is correct.

a) The particles striking location 1 are less massive than those striking location 2, and both streams of particles are positive

b) the particles striking location 1 are less massive than those striking location 2. Particles in stream 1 are negative and those in stream 2 are positive

c) The particles striking location 1 are more massive than those striking location2. Particles in stream 1 are positive and those in stream 2 are negative

Explanation / Answer

here,

radius of the circle in magnetic feild , r = m * v /( q*B)

so,

the correct options are

a) The particles striking location 1 are less massive than those striking location 2, and both streams of particles are positive

as the direction of force on both particle is same and using right hand rule,

both particle must be positive

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