An Antenna for Receiving Television Signals from a Satellite Has

question 60

Multiple Choice

An antenna for receiving television signals from a satellite has a diameter of 3 m.The signals have a wavelength of 24 cm.If the diameter of the antenna is reduced to 50 cm,for what signal wavelengths does the antenna still have the same angular resolution?

• A)4.0 cm
• B)6.0 cm
• C)8.0 cm
• D)1.4 m
• E)24 cm

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