Consider the following three statements
i) Beta-decay results in a daughter nuclide that has a mass
number one greater than the parent nuclide.
ii) All stable nuclei have equal no of protons and neutrons.
iii) The photon is a mediating particle for one of the four
fundamental forces.
Which of the following is correct?
a) Only i) is true.
b) Only ii) is true.
c) Only iii) is true.
d) Only i) and ii) are true.
e) Only i) and iii) are true.
f) Only ii) and iii) are true.