A positron is an elementary particle
1.having mass equal to that of an electron
2.with a charge equal and opposite to that of an electron
3.with a charge equal to that of a proton
4.having mass equal to that of a proton Which of the above is/are correct?



[ A ]    2 and 3
[ B ]    1 and 3
[ C ]    1, 2 and 3 right
[ D ]    1 and 2
Answer : Option C
Explanation :