EM spectrum
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Lesson duration is: 40 minItems in this lesson
Slide 1 - Slide
What is the order of the EM spectrum from lowest to highest frequency?
A
Microwaves, Radio waves, Visible, Ultraviolet, Infrared, X-rays, Gamma rays
B
Radio waves, Microwaves, Infrared, Visible, Ultraviolet, X-rays, Gamma rays
Slide 2 - Quiz
Which type of electromagnetic wave has the shortest wavelength?
A
Radio waves
B
Gamma rays
C
Visible light
D
Microwaves
Slide 3 - Quiz
Which part of the EM spectrum is used for communication with satellites?
A
X-rays
B
Microwaves
C
Ultraviolet
D
Infrared
Slide 4 - Quiz
Radio Waves
Microwaves
Infrared Radiation
Visible Light
Slide 5 - Drag question
Put the types of radiation in order.
Most ionising
Least ionising
Alpha (α)
Beta (β)
Gamma (γ)
Slide 6 - Drag question
Which of the following is not a type of light wave?
A
Radio waves
B
Sound waves
C
Microwaves
D
X-rays
Slide 7 - Quiz
Which band has the highest frequency?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 8 - Quiz
Which band is the highest energy?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 9 - Quiz
Which band has the longest wavelength?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 10 - Quiz
Which band has the highest frequency?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 11 - Quiz
Which band is the highest energy?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 12 - Quiz
Which band has the longest wavelength?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 13 - Quiz
Which band has the highest frequency?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 14 - Quiz
Which band is the highest energy?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 15 - Quiz
Which band has the longest wavelength?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 16 - Quiz
Which band has the highest frequency?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 17 - Quiz
Which band is the highest energy?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 18 - Quiz
Which band has the longest wavelength?
A
Radio waves
B
Microwaves
C
X-rays
D
Gamma rays
Slide 19 - Quiz
What is the primary use of microwaves?
A
Heating food quickly and efficiently
B
Cooling drinks, Defrosting meat, Playing music
Slide 20 - Quiz
What material reflects microwaves?
A
Metal
B
Plastic, Glass, Wood
Slide 21 - Quiz
What is the primary use of gamma rays?
A
Cooking food
B
Cell phone communication
C
Generating electricity
D
Medical imaging and cancer treatment
Slide 22 - Quiz
How are gamma rays used in industrial applications?
A
Inspecting welds and detecting flaws in metal
B
Playing music
C
Cleaning surfaces
D
Flavoring food products
Slide 23 - Quiz
In what field are gamma rays commonly used for sterilization?
A
Construction
B
Automotive manufacturing
C
Medical and food industries
D
Fashion design
Slide 24 - Quiz
What is an important use of gamma rays in security and defense?
A
Building amusement parks
B
Organizing public events
C
Developing social media strategies
D
Scanning cargo for potential threats
