An electromagnetic wave has a frequency of 5.45 x1014 Hz. To which region of the electromagnetic spectrum does this wave belong? a) Visible b) Infrared c) Ultraviolet d) X-rays
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An
a) Visible
b) Infrared
c) Ultraviolet
d) X-rays
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- 19. A laser uniformly illuminates an area with green light that has an average intensity of 550 W/m2. What is the rms value of the electric field of this light? A) 322 N/C B) 405 N/C C) 455 N/C D) 643 N/C E) 891 N/C Ans: CWhat is the wavelength (in nm) of an electromagnetic wave of frequency 11x1014 Hz? 143 347 O 310 O 394 272Which of the following electromagnetic waves has the lowest frequency? a. Microwaves b. FM radio waves c. Ultraviolet waves d. AM radio waves e. Power waves
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- 6. List the electromagnetic waves in order of increasing frequency. a. radio waves,gamma rays,visible light,microwaves,ultraviolet rays,X-rays,infrared rays b. radio waves,microwaves,ultraviolet rays,gamma rays,X-rays,visible light,infrared rays c. radio waves,microwaves,infrared rays,visible light,ultraviolet rays,X-rays,gamma rays d. radio waves,gamma rays,X-rays,infrared rays,ultraviolet rays,visible light,microwaves e. radio waves,gamma rays,visible light,ultraviolet rays,infrared rays,X-rays,microwavesWhen you watch television that is broadcast by communication satellites, what type of electromagnetic radiation is sent to the dish receiver in order to get satellite television reception? A. long-wavelength radio waves B Microwaves C Infrared waves1 What is the electric field amplitude in an electromagnetic wave that has a magnetic field amplitude of 5.00 x 10-4rmT? Your units should be in V/m, but do not include your units in the answer box.