4 Fizeau Hertz & Maxwell

What were two components of Fizeau's experiment to measure the speed of light?

• Reflection of light in a mirror

• Refraction of light through different mediums

• Interference of light waves

• Rotation of a toothed wheel

In Hertz's experiment, what was used to generate and detect radio waves?

• Capacitors

• Inductors

• Spark gaps

• Resistors

What is the correct sequence of electromagnetic spectrum from shortest to longest wavelength?

• Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays

• Gamma rays, X-rays, ultraviolet, visible light, infrared, microwaves, radio waves

• Ultraviolet, visible light, infrared, microwaves, radio waves, X-rays, gamma rays

• Infrared, visible light, ultraviolet, X-rays, gamma rays, microwaves, radio waves

Which application is not correctly matched with its part of the electromagnetic spectrum?

• Microwave ovens - Microwaves

• Radio broadcasting - Radio waves

• Sterilizing medical equipment - Infrared

• Sun tanning - Ultraviolet

Standing waves are created by

• Two identical waves reflecting off each other

• Two identical waves being diffracted together

• Two identical waves move through each other in opposite directions

• Two identical waves are diffracted from two identical sources

What was the significance of Hertz's experiment with radio waves?

• It disproved the existence of the ether

• It confirmed the predictions of Maxwell's equations

• It demonstrated the particle nature of light

• It led to the development of quantum mechanics

Which of the following is not a direct application of electromagnetic waves?

• GPS technology

• MRI scans

• Conducting electricity

• Wireless communication

What property of electromagnetic waves varies across the electromagnetic spectrum?

• Speed in vacuum

• Ability to travel through a vacuum

• Wavelength and frequency

• Fundamental nature of the waves

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