Charge on $\alpha $ - particle is
Charge on $\alpha $ - particle is
- A
$4.8 \times {10^{ - 19}}\,C$
- B
$1.6 \times {10^{ - 19}}\,C$
- C
$3.2 \times {10^{ - 19}}\,C$
- D
$6.4 \times {10^{ - 19}}\,C$
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- [AIIMS 1999]
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