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WorksheetsQ2 - Online Quiz 1
Total questions: 12
Worksheet time: 6mins
Electromagnetic waves vibrate perpendicular to their direction of travel.
TRUE
FALSE
Electromagnetic waves have both an electric and a magnetic component.
TRUE
FALSE
The speed of EM waves in a vacuum is
3.0 x 108 m/sTRUE
FALSE
The speed of EM waves remains the same even if it travels on different media?
TRUE
FALSE
There are eight (8) regions of the electromagnetic spectrum.
TRUE
FALSE
Which region of EM spectrum has the longest wavelength?
Radio wave
Microwave
Ultraviolet
Gamma ray
Which region of EM spectrum has the highest frequency?
Infrared
X-ray
Gamma ray
Radio wave
Which of the following describes the relationship between frequency and wavelength?
The longer the wavelength, the higher the frequency.
The longer the wavelength, the lower the frequency.
The shorter the wavelength, the lower the frequency.
Frequency and wavelength have no relationship at all.
Which EM spectrum can be used in heating/cooking food, telecommunication, and radar?
Radio wave
Microwave
Ultraviolet
Gamma ray
Which of the following is an application of ultraviolet?
identifying counterfeit money and sanitation
broadcast communication
cancer cell therapy
check broken bones
He described how electric charges and electric currents act as sources of electric and magnetic fields that form the basis of the electrical field of science and technology.
Joseph Henry
James Clerk Maxwell
Heinrich Hertz
William Gilbert
He was able to perform many experiments that helped explain the reflection, refraction, polarization, interference, and velocity of electric waves.
Albert Einstein
Heinrich Hertz
Wilhelm Weber
James Clerk Maxwell
