A 22 caliber bullet is 22/100 inches in diameter. A 7.62 mm bullet is 30 caliber or 30/100 inches in diameter there is no such thing as a 7.62 caliber bullet
The .22 caliber bullet is ABOUT .22 inches wide. A .32 bullet is about .32 inches wide. The bullet will also be heavier due to size.
NO!!! DO NOT ATTEMPT THIS!!!
The .22 bullet is smaller than the 9mm in size, (about 6mm) and is lighter in weight.
22 magnums actual caliber is .220. If you look at the tip of the bullet 22 mag has a sharp point. On a 22lr it is rounded and 22 mag is bigger around. Look around the rim and it will say 22 magnum or 22 lr.
A rifle that shoots a .22 caliber bullet.
not much
It all depends on the gun and its specs like the guns velocity.
It is possible.
It will kill someone
as far as it wants
It is a bullet for a .22 caliber rifle which is very quiet as the bullet travels slower than the speed of sound