Question

Please answer question i

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h) (4 pts) Ebonite, from which bowling balls are made is one of the most triboelectrically active substances. The precise mechanism for the triboclectric effect is still very much a scientific mystery. The surface of bonite will quickly pickup excess electrons as it moves through air. Moving charges comprise an electric current Oscillating electric currents generate radio waves. If the muss used in this question is ebonite, its oscillations will generate radio waves that emanate at the speed of light. Use the wave equation, this time with V as the speed of light (2.998 x 10 m's), to calculate the wavelength of these radio waves. Compare to the distance from the Sun to Saturn freq: 20Hz-300 GHz 2- 2.998810 radiowaves 30 2=9.99*10m (928.71 million miles) distance from sun to saturn is 1.49*1012m, so this distance is incredibly larger 27 1) (4 pts) In Quantum Mechanics, electromagnetic radiation, such as radio waves, consists of wave packets called photons. It is not known how many wavelengths are in a single photon, but some experimental estimates put it at around a million. Make this assumption and calculate how long to the nearest day, it would take the piece of ebonite to generate a single photon. 1) (2 pts) The energy of a photon of electromagnetic radiation is given by E = hf, where Planck's constant, h = 6.626 x 10-34 m kg/s. Calculate the energy of a single photon generated by this oscillating piece of ebonite. Ehf (6.6260x10-330) E = 1.488*10*82 )

Answer 1

30 Hz 3 lo 3 04 I sec 30 0.033 sec 05 frequency a Time period T. 7 30 see is laken to generate 1 million wavelengles lake 2 10** che wavelength 06 30 I sec 3 10 30x24x 3600 day Notes: 0.38 day for 300 GHz Tag 300 x 10

106x sec » Hool.com wavelenges faves 300 x 10° 6 day 300x109x x 24x3600 3.86 x 10 t1 day. algo