Question

State whether the following are true or false.
a. The fountain pens start leaking at high altitudes.____
b. Material medium is not essential for the propagation of sound.____
c. Drums are percussion instruments.____
d. Horses can easily move in deserts.____
e. Amplitude is the maximum displacement of a particle for its mean position.____

Answer 1

a. true
b. false
c. true
d. false
e. true (for a vibrating particle)

Answer 2

a. true
b. false
c. true
d. true
e. true