WorksheetsElectromagnetic Waves
Total questions: 15
Worksheet time: 8mins
How are electromagnetic waves produced?
any disturbance
Currents
Vibrating Charge
Voltage source
What is the speed of the electromagnetic wave in a vacuum?
Zero
Always the same as the speed of light
Changing depending on the value of its wavelength
Changing, depending on the value of its frequency
Which type of electromagnetic wave has the shortest wavelength?
Gamma Ray
X-ray
microwave
radio waves
Which of the following correctly list the electromagnetic waves in order from the longest to the shortest wavelength?
Gamma Ray, UV,IR, microwave
Microwave, UV, Visible light, gamma ray
Radio wave, IR, Gamma ray, UV
Radio wave, IR, Visible light, X-ray
What happens to the frequency of the electromagnetic wave if its wavelength increases?
It decreases.
It increases as well.
It remains the same.
It will not increase nor decrease.
What is an example of a radio wave?
Vision
Television
Heat lamp
Sunlight
X-ray photographs show softer tissues...
as dark, highly exposed areas.
as bright white areas.
as invisible.
the same as dense bones.
Cellular phones utilize...
microwaves
radar waves
very high frequency waves
very low frequency waves
Which one is a type of ionizing radiation?
radio waves
microwaves
gamma rays
infrared
Which type of wave can cause your skin to age prematurely?
Ultraviolet waves
radio waves
X-rays
Satellite Communication is an application of what type of wave?
Infrared
Microwave
Radio wave
X-ray
Exposure to ionizing radiation can cause cancer.
TRUE
FALSE
MAYBE
Strongest ionizing radiation is X-ray.
TRUE
FALSE
MAYBE
Human can sense ionizing radiations.
TRUE
FALSE
MAYBE
