Electromagnetic Spectrum

Light waves are forms of moving energy made of tiny microscopic particles called __________. 

A wave that moves at right angles or perpendicular to the direction that it travels.

• Longitudinal wave

• Transverse wave

• Rayleigh wave

• Mechanical wave

__________ has the highest wavelength in Visible light spectrum.

The distance between crest and trough is called a __________.

Among the given EM waves below, which has the highest frequency?

• microwave

• radiowave

• gamma ray

• x-ray