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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.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

What are the similarities & differences between a thermistor and a light dependent resistor in physics?