A positively-charged particle (alpha-particle) projected towards the west is deflected towards north by a magnetic field. The direction of magnetic field is
Question
A positively-charged particle (alpha-particle) projected towards the west is deflected towards north by a magnetic field. The direction of magnetic field is
Solution 1
To determine the direction of the magnetic field, we can use the right-hand rule for a positively-charged particle moving in a magnetic field.
Step 1: Extend your right hand and align your thumb with the direction of the particle's velocity, which is towards the west in this case.
Step 2: Curl your fingers towards the north, perpendicular to the direction of the particle's velocity.
Step 3: The direction in which your fingers curl represents the direction of the magnetic field. In this case, since the particle is deflected towards the north, the magnetic field must be directed downwards, or towards the ground.
Therefore, the direction of the magnetic field is downwards or towards the ground.
Solution 2
To determine the direction of the magnetic field, we can use the right-hand rule for a positively-charged particle moving in a magnetic field.
Step 1: Extend your right hand and align your thumb with the direction of the particle's velocity, which is towards the west in this case.
Step 2: Curl your fingers towards the north, perpendicular to the direction of the particle's velocity.
Step 3: The direction in which your fingers curl represents the direction of the magnetic field. In this case, since the particle is deflected towards the north, the magnetic field must be directed downwards, or towards the south.
Therefore, the direction of the magnetic field is towards the south.
Solution 3
To determine the direction of the magnetic field, we can use the right-hand rule for a positively-charged particle moving in a magnetic field.
Step 1: Extend your right hand and align your thumb with the direction of the particle's velocity, which is towards the west in this case.
Step 2: Curl your fingers towards the north, perpendicular to the direction of the particle's velocity.
Step 3: The direction in which your fingers curl represents the direction of the magnetic field. In this case, since the particle is deflected towards the north, the magnetic field must be directed downwards, or towards the south.
Therefore, the direction of the magnetic field is towards the south.
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