Physics
The mass of a star is two times the mass of the Sun. How it will come to an end ?

Neutron Star
Red Giant
White Dwarf
Black hole

ANSWER DOWNLOAD EXAMIANS APP

Physics
In the gamma decay of a nucleus

Both the mass number and the atomic number of the nucleus change
Neither the mass number nor the atomic number of the nucleus changes
The mass number of the nucleus does not change whereas its atomic number changes
The mass number of the nucleus changes whereas its atomic number does not change

ANSWER DOWNLOAD EXAMIANS APP