Ch. 14 -16
Vocabulary
Equilibrium position
Restoring Force
Oscillation
Period
Frequency
Hertz
Sinusoidal
Simple Harmonic Motion
Amplitude
Resonance
Resonance Frequency
Transverse Waves
Longitudinal Waves
Examples of Transverse Wave and Longitudinal Wave
Wavelength
Node
Antinode
Topics
Describing SHM
Energy in SHM
Pendulum
Resonance and Hearing
Mechanical Waves
Sound and Light
Doppler Effect
Conceptual Questions on Wave Superposition
Conceptual Questions on Standing Waves
Conceptual Questions on Wave Interference
Equation Sheet
Frequency and Period
f =
1
T
or T =
1
f
Restoring force on a spring
Frequency of Mass on a spring
1 𝑘
&
2𝜋 𝑚
𝑚𝑔
𝐹 = −+ .𝑠
𝐿
𝑓=
Restoring force on a pendulum for small
angles
Frequency of Pendulum
𝑓=
Speed of a wave
Intensity of a wave
Sound Intensity Level
Threshold of hearing 𝐼!
Frequency of Approaching Source
Frequency of Receding Source
1 𝑘
&
2𝜋 𝑚
𝑣 = 𝜆𝑓
𝑃𝑜𝑤𝑒𝑟
𝐼=
𝐴𝑟𝑒𝑎
𝐼
𝛽 = (10dB) log C D
𝐼!
-12
I0 = 1.0 ´ 10 W / m2
𝑓#
𝑓" =
𝑣
1 − 𝑣#
𝑓#
𝑓$ =
𝑣
1 + 𝑣#