16 Questions
According to the text, who mathematically predicted the existence of Electromagnetic Waves?
James Clerk Maxwell
What did Heinrich Hertz successfully detect and generate in a laboratory in 1887?
Electromagnetic waves
How does one way to create an EM wave, as described in the text?
By vibrating electric charges
Which field constantly creates the other through vibration of electric charges?
Both fields create each other simultaneously
What is the speed of light, as mentioned in the text?
$299,792,458 m/s$
What is Planck's constant as mentioned in the text?
$6.63 × 10^{-34} J⋅s$
Which type of electromagnetic wave has the greatest energy, highest frequency, and shortest wavelength?
Gamma Rays
What was the range of frequencies for microwaves as mentioned in the text?
300 MHz to 3 GHz
What is the size range of the longest known EM waves?
A few centimeters to the size of buildings
Which EM wave has longer wavelengths than visible light and shorter than microwaves?
Infrared
What is the range of wavelengths for X-rays as mentioned in the text?
100 nm to 0.1 nm
What is the frequency range for Infrared waves as mentioned in the text?
4 x 10^14 Hz to 7.5 x 10^14 Hz
Which electromagnetic wave consists of colors (ROYGBIV)?
Visible Light
What are the frequencies corresponding to the longest known EM waves?
<= 300 GHz (1 GHz = 10^9Hz)
Which EM wave may vary on its frequencies and wavelengths?
Microwaves
Which EM wave was first generated and detected by Heinrich Hertz in 1888?
Microwaves
Test your knowledge about the discovery and development of electromagnetic waves by Maxwell, Hertz, and Marconi. Explore how the theories were formulated and experimentally proven, leading to the understanding of the speed of light and wireless telegraphy.
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