A) \[\gamma ,\,\,\alpha \]
B) \[\alpha ,\,\,\gamma \]
C) \[\beta ,\,\,\gamma \]
D) \[\alpha ,\,\,\beta \]
Correct Answer: D
Solution :
\[\alpha -particles\] are positively charged whereas \[\beta -particles\] are negatively charged. So by Fleming?s left hand rule which states that if we stretch the first finger, central finger and thumb of our right hand in mutually perpendicular directions then, first finger shows the direction of magnetic field, second finger shows the direction of current and thumb shows the movement of the wire hence, correct choice is [d].
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