IGCSE Electromagnetic Spectrum Introduction

Front

Name the distance between adjacent peaks of a wave (symbol λ)

Back

Wavelength

Front

The number of wave cycles to pass a given point per time unit

Back

Frequency

Front

The wavelength and frequency of a wave are related in that...

Back

when one increases, the other decreases (inversely proportional)

Front

What is the speed of light in a vacuum in km/s?

Back

300,000

Front

Which electromagnetic waves have the SHORTEST wavelength and, therefore, the highest frequency and the most energy? Options: Radio, Ultraviolet, Gamma, X-rays

Back

Gamma

Front

Which electromagnetic waves have the longest wavelength and the lowest frequency? Options: Radio, Visible, Gamma, Microwaves

Back

Radio

Front

Which electromagnetic waves can the human eye detect? Options: X-rays, Radio, Visible, Gamma

Back

Visible

Front

Which colour has the smallest wavelength?

Back

blue

Front

Are electromagnetic waves transverse or longitudinal?

Back

Transverse

Front

In which region of the electromagnetic spectrum can waves have a wavelength of 1000 m?

Back

Radio