Light Waves Video

A form of matter

A type of sound wave

A form of energy

A particle without wave properties

Shorter wavelengths have less energy.

Longer wavelengths have more energy.

Shorter wavelengths have more energy.

Wavelength and energy are unrelated.

Microwave

Infrared

X-ray

Visible

The wavelength becomes longer (redder).

The wavelength becomes shorter (bluer).

The wavelength remains constant.

The object stops emitting light.

Yes

No

They can move to any position between energy levels.

They must absorb or emit a precise amount of energy to move between discrete levels.

They continuously orbit the nucleus, gradually changing energy.

They can only move to higher energy levels, never lower.

Only its temperature.

Its mass and density.

Its chemical composition and energy levels.

Its magnetic field strength.

To magnify distant objects for clearer viewing.

To measure the precise wavelength of light emitted by celestial bodies.

To detect gravitational waves from distant galaxies.

To directly measure the temperature of stars.

It is moving towards the observer.

It is moving away from the observer.

It is stationary relative to the observer.

It is spinning rapidly.