Percussion
For the differences see the question "What is the difference between a definite and indefinite pitched instrument?" The link is below.
Read more: What_is_the_difference_between_a_definite_and_indefinite_pitched_instrument
Timpani
instruments that dont have pitch
The majority of cymbals are of indefinite pitch, although some smaller cymbals, such as crotales, that are based on ancient designs do have a definite pitch.
yes
Because the pitch can vary by hitting a drum harder or softer, or by playing a stroke away from the center of the skin.
Timpani
instruments that dont have pitch
All instruments produce a pitch.
A pitch pipe.
There is a shorter colume of vibrating air in these instruments.
It depends on the sort of acoustical music instruments you have. If the temperature goes up, the pitch of woodwind instruments go up too, but the pitch of string instruments go down.
by the pitch
The majority of cymbals are of indefinite pitch, although some smaller cymbals, such as crotales, that are based on ancient designs do have a definite pitch.
Tuba
Its a high pitch
yes
The instrument that can produce the lowest pitch are Saxophone,Woodwind & low pitch Piano ect....