In an experiment similar to Millikan's oil drop, a scientist (m = 65 kg) gives himself a charge of 5.5 x 10-3 C. If he is able to suspend himself above the ground in an electric field, how strong must the electric field be? Select one: O a. 1.2 x 105 N/C O b. 1.2 x 104 N/C O c. 3.6 x 10-1 N/C O d. 3.5 N/C Supported by the Compton effect, deBroglie hypothesized the concept of Select one: O a. wave-particle duality O b. the wave nature of matter O c. the particle nature of light O d. the particle nature of matter The significance of Young's experiment was that it provided evidence that light has Select one: O a. Mass O b. Momentum O c. Wave properties O d. Aspeed of 3.00 x 10 m/s Solar wind is hot plasma ejected from the surface of the Sun. The plasma consists, in part, of electrons. de Broglie hypothesized that a moving particle has a wavelength that relates to its momentum, given by the formula below. A = _ p The wavelength of one solar-wind electron that has a measured speed of 2.9 x 105 m/s is Select one: O a. 2.5 x 10-9 m O b. 1.6 x 10 m O c. 1.4x 10 12 m O d. 8.5 x 10 mUse the following information to answer the next question. An X-ray photon that has a wavelength of 2.000 x 10-10 m collides with a stationary electron. Stationary electron Photon incident The scattered X-ray photon, which has a wavelength of 5.068 x 10m, retums along the in the initial path Scattered electron Scattered photon Verify that this collision is elastic. Marks will be awarded based on the relationships among the two physics principles* that you state, the formulas that you state, the substitutions that you show, and your final answer. * The physics principles are given on the data sheet