A uniform magnetic field is directed vertically upwards. In which direction in this field should an α – particle (which
are positively charged particles) be projected so that It is deflected south ward? Name and state the rule you have
used to find the direction in this case.
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Answer:
the alpha particles should be in East direction
Explanation:
if we will use the left hand thumb rule and will strech our forfinger in upward direction than we will place our middle finger in East direction the thumb will automatically point towards South
if any doubt please comment
Answer:
By left hand thumb rule, it's towards East.