Say the electric company charges you 10 cents per kilowatt-hour of electricity you use. How much would it cost for you to run a 100-watt light bulb for 5 hours (total) a day for 30 days? 500 kilowatts

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.