Electromagnetic Waves (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What two fields make up electromagnetic waves?
What two fields make up electromagnetic waves?
Electric and magnetic fields
Can electromagnetic waves travel through a vacuum?
Can electromagnetic waves travel through a vacuum?
Yes, they do not need a medium
Who developed equations showing light was an electromagnetic wave?
Who developed equations showing light was an electromagnetic wave?
James Clerk Maxwell
What is the speed of light in a vacuum (rounded)?
What is the speed of light in a vacuum (rounded)?
Which type of EM wave has the shortest wavelength?
Which type of EM wave has the shortest wavelength?
Gamma rays
What is the wavelength range of visible light?
What is the wavelength range of visible light?
to
Which EM radiation can pass through Earth's atmosphere?
Which EM radiation can pass through Earth's atmosphere?
Visible light, radio, microwaves
What happens to sound and light in the bell jar vacuum experiment?
What happens to sound and light in the bell jar vacuum experiment?
Sound disappears, light unchanged
How do EM waves differ from mechanical waves?
How do EM waves differ from mechanical waves?
EM waves do not require a medium
How long does light take to travel from the Sun to Earth ()?
How long does light take to travel from the Sun to Earth ()?
About 8 minutes 20 seconds