An electromagnetic wave with a wave length about the same as the diameter of an apple would be
A) x-ray.
B) UV.
C) infrared.
D) microwave.
E) radio wave.
Correct Answer:
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Q3: Light of 10 cm wavelength is
Q5: 1 THz = ?
A) 103 Hz
B) 106
Q7: The wavelengths associated with thermal radiation at
Q7: Wavelengths just shorter than visible light are
Q8: A dipole radio transmitter has its rod
Q10: An electromagnetic wave is created by
A) an
Q13: The electromagnetic spectrum arranged by increasing wavelength
Q15: Electromagnetic waves of wavelength 1000 nm are
Q17: Radio waves were discovered by
A) Hertz.
B) Maxwell.
C)
Q20: The highest frequency in visible light is
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