Yes
Yes, the hunting horn is a brass instrument.
The string of a veena vibrates
the main part vibrates as the air is bouncing off the closed keys
Somewhere in between the two, but it's typically used in place of the horn.
The sound of the French Horn is produced by the vibration of the player's lips inside the mouthpiece.
When you buzz your lips, it vibrates the air in the instrument. This is how the sound is made, same as any other brass instrument.
Yes
Yes, the hunting horn is a brass instrument.
The skin vibrates when you hit them.
The string of a veena vibrates
The reason why the french horn is called a french horn is because, even if it started to develop in Germany it was completed in France, heinz the name French Horn
the main part vibrates as the air is bouncing off the closed keys
The French horn is a brass.
Somewhere in between the two, but it's typically used in place of the horn.
The head of the drum, the part that is struck by drum sticks, vibrates.
I messured my French Horn, and found out that the part where all the tubes are wrapping in every direction known to man is a diameter of about 13.5 inches, and the bell had a diameter of about 12 inches.