Periodic Motion

Question 1

Waves transfer ____ and ____ from one point to another

Answer 1

Waves transfer MOMENTUM and ENERGY from one point to another

Question 2

Waves require a ____ through which to travel

Answer 2

Waves require a MEDIUM through which to travel

Question 3

Transverse waves displace medium in a direction ____ to the wave propagation

Answer 3

Transverse waves displace medium in a direction PERPENDICULAR to the wave propagation

Question 4

Longitudinal waves displace medium in a direction ____ to the wave propagation

Answer 4

Longitudinal waves displace medium in a direction PARALLEL to the wave propagation

Question 5

____ is measured from any point in the wave to where the point repeats itself
Units: ____

Answer 5

WAVELENGTH (λ) is measured from any point in the wave to where the point repeats itself
Units: m

Question 6

____ is the number of ____ that pass a fixed point in 1 second
Units: ____

Answer 6

FREQUENCY (f) is the number of WAVELENGTHS (λ) that pass a fixed point in 1 second
Units: Hz (1/s or cycles/sec)

Question 7

Period is defined as: ____

Units: ____

Answer 7

Period is defined as: T = 1/f

Units: s

Question 8

Velocity is defined as: ____

Units: ____

Answer 8

Velocity is defined as: v = fλ

Units: m/s

Question 9

____ is the maximum displacement from zero

Units: ____

Answer 9

AMPLITUDE (A) is the maximum displacement from zero

Units: m

Question 10

Only ____ affects velocity, velocity is not affected by ____

Answer 10

Only MEDIUM affects velocity, velocity is not affected by FREQUENCY OR WAVELENGTH

Question 11

For a gas, velocity increases with increasing ____

Answer 11

For a gas, velocity increases with increasing TEMPERATURE