Sound - Terms related to sound

Question 1

Define amplitude. Give its SI unit as well.

Answer 1

Amplitude refers maximum displacement from the mean position
SI unit - Metres (m)

Question 2

Define time period. Give its SI unit and symbol.

Answer 2

Time period refers to the time taken to complete one oscillation/one cycle of a wave
Symbol - T
SI unit - Seconds (s)

Question 3

Define frequency. Give its SI unit and symbol.

Answer 3

Frequency refers to the number of waves passing through a point per unit time.
Symbol - f
SI unit - Hertz (Hz)

Question 4

State the formulas of time period and frequency in relation to eachother.

Answer 4

Time period and frequency are inversely proportional to eachother.

f = 1/t
T = 1/f

Question 5

Define wavelength. Give its SI unit and symbol.

Answer 5

Wavelength refers to the distance between 2 consecutive crests or 2 consecutive troughs
Symbol - λ (Lambda)
SI unit - Metres (m)