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WorksheetsGW1
Total questions: 10
Worksheet time: 7mins
which is not the definition of antenna
transducer b/w guided wave and space wave
sensor
transmitting device only
impedance matching device
communication link has
transmitting antenna only
receiving antenna only
neither transmitting nor receiving antenna
both transmitting as well receiving antenna
Radio waves and _______ are used in communication
Microwaves
Gamma rays
Visible light
Ultraviolet
Electromagnetic waves vary in
the speed they travel in a vacuum.
wavelength and frequency.
the way they reflect.
the orientation of their electric and magnetic fields.
To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its
wavelength.
intensity.
refraction.
amplitude.
An electromagnetic wave in a vacuum has a wavelength of 0.07m. What is its frequency?
f= 3.0x 10^8 m/s
f= 3.0x 10^9Hz
f=4.3x 10^9Hz
f=4.3x 10^8m/s
In a vacuum, all electromagnetic waves have the same
wavelength.
speed.
frequency.
amplitude.
