Physics, 26.07.2019 21:30 JUSTDAN6929
The table below shows two types of electromagnetic waves and three random applications of electromagnetic waves. type of wave applications of waves gamma rays 1. show parts in space where large amount of energy is released infrared waves 2. show the heat released by astronomical objects 3. detect collection of gas, dust, and plasma which of these best matches the waves with their applications? a) gamma rays—2 and infrared waves—3 b)gamma rays—3 and infrared waves—2 c) gamma rays—1 and infrared waves—2 d)gamma rays—2 and infrared waves—1
Answers: 2
Physics, 21.06.2019 22:30
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.
Answers: 1
Physics, 22.06.2019 05:30
Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
Answers: 2
Physics, 22.06.2019 12:10
Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
The table below shows two types of electromagnetic waves and three random applications of electromag...
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