Which of the following types of radiation has the lowest energy? gamma rays visi

Question

Which of the following types of radiation has the lowest energy? gamma rays visible ultraviolet infrared radio Which of the following has the longest wavelength? blue light red light yellow light green light orange light If a radio station has a frequency of 90.3 megahertz (MHz), what is the wavelength of the station in cm? (1 MHz = 1.00 times 10^6 cycles/second) 0.254 cm 0.369 cm 110 cm 271 cm 332 cm If the wavelength of blue light is 412 nanometers, what is the energy of quantum or this radiation? energy of one 8.36 times 10^-29 J 5.62 times 10^-23 J 4.92 times 10^-19 J 2.91 times 10^15 J 7.31 times 10^-14 J The mathematic expression(s) which correctly give(s) the relationship(s) between the speed, wavelength, and frequency of electromagnetic radiation is (are) v = c/lambda c = v lambda lambda = c/v 1 only 2 only 3 only 1 and 2 only 1, 2, and 3

Explanation / Answer

6. e (Energy x 1/wavelength)

7. b

8. wavelength = c/v = (3*10^10/(90.3*10^6)) = 332.2 cm

answer: e

9. energy = (6.625*10^-34*3*10^8)/(412*10^-9)

    E = 4.82*10^-19 joule

answer: c

10. e

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