Who is telling lies?
a. Light year is used to measures time.
b. End stage of a star depends on its initial mass.
c. A star ends its life as a neutron star when the pressure of its electrons balances its gravity.
d. Only light can emit from the blank hole.
e. The sun will pass through the supergiant stage during its evolution.
f. The Sun will end its life as a white dwarf.
a. It is lying as light year is used to measures distance.
b. It is telling the truth as the end stage of a star is decided by its mass.
c. It is lying because a star ends its life as a neutron star when the pressure of its neutrons balances its gravity.
d. It is lying as nothing can be emitted from black hole, not even light.
e. It is telling the truth as the Sun will pass through the giant stage during its evolution. So, its end stage will be as white dwarf.