Electromagnetic Spectrum Test UPDATED
Exam Questions and CORRECT Answers
What is Electromagnetic Radiation? - CORRECT ANSWER Energy traveling in the form
of waves
List the seven types of electromagnetic radiation IN ORDER - CORRECT
ANSWER Radio waves, microwaves, infrared radiation, visible light, ultraviolet, X-rays,
gamma rays
What type has the longest wavelength? - CORRECT ANSWER Radiowaves
What type has the highest frequency and energy? - CORRECT ANSWER Gamma rays
What are some natural sources of electromagnetic radiation? - CORRECT ANSWER The
sun, some animals, and lightening
What are some artificial sources of electromagnetic radiation? - CORRECT
ANSWER Flashlights and transmission towers
What are some ways that electromagnetic radiation can be helpful? - CORRECT
ANSWER Medical treatments, scientific research, and technology
What are some ways that electromagnetic radiation can be dangerous? - CORRECT
ANSWER Can cause cancer eye damage and irritates skin
What form of electric magnetic radiation causes sunburns - CORRECT ANSWER Ultra
violet waves
, What form of electrocmagnetic radiation is used for telecommunications and wifi - CORRECT
ANSWER Radio waves
What form of electric magnetic radiation is used by cellphones, radar, and tv food - CORRECT
ANSWER Microwaves
What form of electric magnetic radiation separates into colours when passed through a prism -
CORRECT ANSWER Visible light
What form of electric magnetic radiation is used for diagnosing heart disease cancer and other -
CORRECT ANSWER Gamma rays
What form of magnetic radiation is used for diagnosing broken bones - CORRECT
ANSWER X-rays
What form of electric magnetic radiation does the brain interprets as heat - CORRECT
ANSWER Infrared waves
You are sitting in a windowless room with the lights turned off and ou are talking with your
friend on the cellphone. Even though you cannot see anything, the cellphone receives the signal
explain how this is possible - CORRECT ANSWER Phones use radio waves that is able to
pass through walls
Whys your car radio lose its signal when you drive through a long tunnel - CORRECT
ANSWER Radio waves have long wave lengths and long amplitudes and it is hard to
reach the signal through the tunnel so the signal from the radio is blocked
What are some properties that some electric magnetic radiation have in common - CORRECT
ANSWER Can travel through empty space
Have both electrical and magnetic properties
Involves the transfer of energy from one place to another
Exam Questions and CORRECT Answers
What is Electromagnetic Radiation? - CORRECT ANSWER Energy traveling in the form
of waves
List the seven types of electromagnetic radiation IN ORDER - CORRECT
ANSWER Radio waves, microwaves, infrared radiation, visible light, ultraviolet, X-rays,
gamma rays
What type has the longest wavelength? - CORRECT ANSWER Radiowaves
What type has the highest frequency and energy? - CORRECT ANSWER Gamma rays
What are some natural sources of electromagnetic radiation? - CORRECT ANSWER The
sun, some animals, and lightening
What are some artificial sources of electromagnetic radiation? - CORRECT
ANSWER Flashlights and transmission towers
What are some ways that electromagnetic radiation can be helpful? - CORRECT
ANSWER Medical treatments, scientific research, and technology
What are some ways that electromagnetic radiation can be dangerous? - CORRECT
ANSWER Can cause cancer eye damage and irritates skin
What form of electric magnetic radiation causes sunburns - CORRECT ANSWER Ultra
violet waves
, What form of electrocmagnetic radiation is used for telecommunications and wifi - CORRECT
ANSWER Radio waves
What form of electric magnetic radiation is used by cellphones, radar, and tv food - CORRECT
ANSWER Microwaves
What form of electric magnetic radiation separates into colours when passed through a prism -
CORRECT ANSWER Visible light
What form of electric magnetic radiation is used for diagnosing heart disease cancer and other -
CORRECT ANSWER Gamma rays
What form of magnetic radiation is used for diagnosing broken bones - CORRECT
ANSWER X-rays
What form of electric magnetic radiation does the brain interprets as heat - CORRECT
ANSWER Infrared waves
You are sitting in a windowless room with the lights turned off and ou are talking with your
friend on the cellphone. Even though you cannot see anything, the cellphone receives the signal
explain how this is possible - CORRECT ANSWER Phones use radio waves that is able to
pass through walls
Whys your car radio lose its signal when you drive through a long tunnel - CORRECT
ANSWER Radio waves have long wave lengths and long amplitudes and it is hard to
reach the signal through the tunnel so the signal from the radio is blocked
What are some properties that some electric magnetic radiation have in common - CORRECT
ANSWER Can travel through empty space
Have both electrical and magnetic properties
Involves the transfer of energy from one place to another
