Mechanical waves

Electromagnetic waves

Particle waves

Gravitational waves

3 x 10^8 m/s

2.998 x 10^8 m/s

1.86 x 10^8 m/s

6.63 x 10^8 m/s

The distance between two consecutive crests of a wave

The distance between two consecutive troughs of a wave

The distance between two consecutive nodes of a wave

The distance between two consecutive antinodes of a wave

The number of crests that pass a fixed point in one second

The number of troughs that pass a fixed point in one second

The number of nodes that pass a fixed point in one second

The number of antinodes that pass a fixed point in one second

Wavelength is directly proportional to frequency

Wavelength is inversely proportional to frequency

Wavelength is independent of frequency

Wavelength is inversely proportional to the square of frequency

The range of all possible frequencies of electromagnetic radiation

The range of all possible wavelengths of electromagnetic radiation

The range of all possible energies of electromagnetic radiation

The range of all possible amplitudes of electromagnetic radiation

The range of electromagnetic radiation that can be seen by the human eye

The range of electromagnetic radiation that can be seen by animals

The range of electromagnetic radiation that can be seen by plants

The range of electromagnetic radiation that can be seen by machines

When light strikes a surface, it is reflected at the same angle as it strikes

When light strikes a surface, it is reflected at a different angle than it strikes

When light strikes a surface, it is absorbed by the surface

When light strikes a surface, it is transmitted through the surface

When light strikes a surface, it is refracted at the same angle as it strikes

When light strikes a surface, it is refracted at a different angle than it strikes

When light strikes a surface, it is absorbed by the surface

When light strikes a surface, it is transmitted through the surface

The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant

The ratio of the sine of the angle of refraction to the sine of the angle of incidence is a constant

The ratio of the tangent of the angle of incidence to the tangent of the angle of refraction is a constant

The ratio of the tangent of the angle of refraction to the tangent of the angle of incidence is a constant

The superposition of two or more waves, resulting in a new wave pattern

The absorption of two or more waves, resulting in a new wave pattern

The reflection of two or more waves, resulting in a new wave pattern

The refraction of two or more waves, resulting in a new wave pattern

The spreading out of waves as they pass through an aperture or around an obstacle

The absorption of waves as they pass through an aperture or around an obstacle

The reflection of waves as they pass through an aperture or around an obstacle

The refraction of waves as they pass through an aperture or around an obstacle

The restriction of the vibrations of a wave to a single direction

The restriction of the vibrations of a wave to two directions

The restriction of the vibrations of a wave to three directions

The restriction of the vibrations of a wave to four directions

When two or more waves meet, they superpose, or combine, to form a new wave pattern

When two or more waves meet, they absorb each other, resulting in a new wave pattern

When two or more waves meet, they reflect each other, resulting in a new wave pattern

When two or more waves meet, they refract each other, resulting in a new wave pattern