Electromagnetic Spectrum (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 was Galileo's main conclusion from his 1638 light speed experiment?
What was Galileo's main conclusion from his 1638 light speed experiment?
Light speed too fast for direct timing
What maximum time variation did Rømer observe in Io's eclipses throughout the year?
What maximum time variation did Rømer observe in Io's eclipses throughout the year?
16.6 minutes
What did Rømer's 1676 work fundamentally prove about light?
What did Rømer's 1676 work fundamentally prove about light?
Light has a finite speed
What was Bradley attempting to measure when he discovered aberration of light?
What was Bradley attempting to measure when he discovered aberration of light?
Stellar parallax
How many teeth did Fizeau's rotating wheel have in his 1848-49 experiment?
How many teeth did Fizeau's rotating wheel have in his 1848-49 experiment?
720
In Foucault's formula , what does represent?
In Foucault's formula , what does represent?
Angle mirror rotates during round trip
What happened to the definition of the metre in 1983?
What happened to the definition of the metre in 1983?
Redefined in terms of speed of light
In a resonant cavity, what does the distance between hot spots represent?
In a resonant cavity, what does the distance between hot spots represent?
(half wavelength)
A radio station transmits at 100 MHz. Using , what is the wavelength?
A radio station transmits at 100 MHz. Using , what is the wavelength?
3.00 m
In interferometry, when does constructive interference create a bright spot?
In interferometry, when does constructive interference create a bright spot?
Beams recombine in phase