Electromagnetic Radiation

Front

What is the formula for the radiative energy (E) carried by a photon of light?

Back

E = h x f, where h is Planck's constant and f is the frequency of the light.

Front

What portion of the electromagnetic spectrum can humans see?

Back

Visible light.

Front

What does it mean if an object appears 'red'?

Back

The object is reflecting only red wavelengths of light.

Front

Which type of electromagnetic energy carries the least energy?

Back

Microwaves.

Front

What is a light particle called?

Back

Photon.

Front

What is electromagnetic radiation?

Back

Electromagnetic radiation is energy that travels through space at the speed of light in the form of waves.

Front

What is the speed of light in a vacuum?

Back

Approximately 3.00 x 10^8 meters per second.

Front

What is the relationship between wavelength (λ) and frequency (f) of electromagnetic waves?

Back

They are inversely related: c = λ x f, where c is the speed of light.

Front

What are the different types of electromagnetic radiation in order of increasing energy?

Back

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays.

Front

What is Planck's constant (h)?

Back

A fundamental constant used to describe the sizes of quanta in quantum mechanics, approximately 6.626 x 10^-34 Js.