Physics: Concepts and Connections, 4th ed Physics: Concepts and Connections, 4th ed., Art Hobson Chapter 13 – Quantum Physics

Regarding the effect of modern physics on the Newtonian worldview: A) Quantum theory and relativity both alter the Newtonian worldview only slightly. B) Relativity theory does not alter the Newtonian worldview, but quantum theory does. C) Both theories alter the Newtonian worldview, but relativity alters it more radically than quantum theory. D) Both theories alter the Newtonian worldview, but quantum theory alters it more radically than relativity. Answer: D Page Ref: Section 13.1

Which of the following provides evidence that light is made of waves? A) The individual dots seen on a photographic plate when a photo is taken at extremely short exposure times B) Interference effects seen when light passes through a narrow opening C) Both of the above D) Experiments that spread light out into a spectrum of colors E) All of the above Answer: B Page Ref: Section 13.3

Can our eyes detect individual photons? A) Yes, as long as the light is in the visible part of the EM spectrum. B) No, at least 100 photons are needed to trigger a response in our eyes and brain. C) No, at least 1000 photons are needed to trigger a response in our eyes and brain. D) No, at least 10 000 photons are needed to trigger a response in our eyes and brain. Answer: D Page Ref: Problem 8