UPDATED ACTUAL Exam Questions and
CORRECT Answers
Radiation - CORRECT ANSWER Transfers energy as em wave
Electromagnetic spectrum - CORRECT ANSWER Range of em waves arranged by
wavelengths than red light
Infrared - CORRECT ANSWER Part of the em spectrum that has slightly longer wave
lengths than red light
Ultraviolet - CORRECT ANSWER Part of em spectrum that has slightly shorter
wavelengths than violet light
What are electromagnetic waves - CORRECT ANSWER Waves that consist of electro and
magnetic fields that vibrate at right angles to each other
How fast do different parts of the em spectrum travel in vacuum - CORRECT
ANSWER Speed of light (300,000,000 m/s)
Types of electromagnetic wave - CORRECT ANSWER Radio, microwave, infrared,
ultraviolet, visible light, x- rays and gamma rays
White light - CORRECT ANSWER Made up of all the wavelengths of visible light
Black in relation to light and color - CORRECT ANSWER Black is the absence of color
Longest visible wavelength is - CORRECT ANSWER Red