When a proton and an antiproton collide a. they destroy each ...

[captainjonesify]

When a proton and an antiproton collide
 
  a. they destroy each other and produce energy in the form of gamma rays.
  b. one of the protons is converted to a neutron and they form a nucleus consisting of one proton and one neutron.
  c. one of the protons is converted to an electron and they form a hydrogen atom.
  d. one proton is converted to a neutron and the other is converted to an electron.
  e. A proton and an antiproton cannot collide because the Coulomb barrier is too great.

Question 2

Hydrogen fusion does not occur in stars in the giant region of the H-R diagram.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[jsm54321]

Answer to Question 1

a

Answer to Question 2

False

[captainjonesify]

TYSM

[kishoreddi]

Thanks for the timely response, appreciate it