WorksheetsSpeed of Light History
Total questions: 10
Worksheet time: 10mins
What is the most accurate measured value of the speed of light?
3 x 108 m/s
186,000 miles/s
299,792,458 m/s
300,000 km/s
The meter is defined as ...
Equal to an aluminum bar in France
the length of the path travelled by light in vacuum in 1/299,792,458 of a second.
The length of the king's leg
on ten millionth of the distance from the equator to the north pole
What did Olaf Romer discover about the orbit of Jupiter's moon Io?
That it used to be a part of Jupiter.
Io's orbit changed based on the position of earth in it's orbit
The orbit was a constant value of 45 hours
Who took Olaf Romer's data and calculated the speed of light from the orbit of Jupiter's moon Io?
Christian Huygens
Albert Einstein
James Bradley
Kirk Amman
Which scientist used a cogged wheel to measure the speed of light?
Hippolyte Louis Fizeau
Christian Huygens
Olaf Romer
Leon Foucault
What method did Hippolyte Louis Fizeau use to measure the speed of light?
Time of flight method
Distance of flight method
Cogged wheel method
Spinning mirror method
What device did Leon Foucault use to measure the speed of light?
Spinning mirror
Cogged wheel
Orbit of Jupiter's moon Io
What other discovery did Leon Foucault make that we studied in class?
Proved earth is spinning with a large pendulum
Acceleration of gravity on earth is 9.8 m/s2
Time period of spring oscillator
Potential energy = mgh
What value did Leon Foucault measure for the speed of light?
298,000 km/s
3 x 108 m/s
186,000 miles/s
Which scientist improved on Leon Foucault's speed of light measurement?
Leon Foucault
Albert Michelson
Albert Einstein
Christian Huygens
