Question 1 1 pts Which of the following gives good evidence for the wave nature of EM radiation? 0 the photoelectric effect 0 matter waves 0 interference patterns 0 existence of photons Question 5 1 pts Considering that an up quark has a charge of +% and a down quark has charge of -%, which of the following represents the correct quark combination for a proton? O 0 up, 3 down 0 3 down, 3 up 0 2 down, 1 up 0 2 up, 1 down Question 7 1 pts In a gamma decay process O a high-energy alpha particle is produced O a high-energy electron is released O a product is a positron a parent nuclide was in an excited stateQuestion 11 1 pts Nuclide X has a higher rate of decay than nuclide Y. Based on this information, which of the following statements must be true? O Nuclide Y has a shorter half-life than nuclide X. O The daughter nuclides of X are more abundant than those of Y. O Nuclide Y has a larger half-life than nuclide X. O Nuclide X is less abundant than nuclide Y.Question 12 1 pts Source A has a half-life of 10 million years, and source B has a half-life of 5 million years. After 10 million years, what percent of each source remains? O 50% of source A and 0% of source B O 25% of source A and 25% of source B O 50% of source A and 25% of source B O 25% of source A and 0% of source B Question 13 1 pts If the speed of light is 3x108 meters/second and the wavelength of an infrared wave used in a remote control is 7x10-9 meters, then what is its frequency? O 2x10-17 Hz O 4x1016 Hz ( 4x10-2 Hz O 2x100 HzQuestion 18 2 pts Explain how the emission spectrum provides information about the composition and properties of an object. Question 17 4 pts Thoroughly explain why electromagnetic radiation can be modeled as both a wave and a particle. Provide an example for each model, both wave and particle