Physical Science Sem 2

The maximum displacement of a particle by a wave is called

• amplitude

• frequency

• period

• crest

The ____ is the distance between two crests of a wave.

• wavelength

• frequency

• amplitude

• period

Waves travel quickly in a ____ because the molecules are closely packed and physically bonded together.

• liquid

• gas

• solid

• polar

the doppler effect is an observed change in a wave's

• wavelength

• period

• frequency

• period

The frequency of a sound wave determines

• The pitch of the sound

• how loud the sound is

• how fast the sound travels

• longitudinal waves

A(n) ___ is a disturbance that carries energy through matter or space.

• medium

• wave

• wavelength

• frequency

The ___ is the time required for one full wavelength to pass a certain point.

• period

• frequency

• wavelength

• refraction

The ____ is the number of vibrations that occur in a given time interval.

• wavelength

• amplitude

• frequency

• diffraction

The bending of a wave around an object or an opening is called ___

• reflection

• diffraction

• interference

• refraction

the bending of waves as they pass from one medium to another is called

• refraction

• diffraction

• interference

• reflection