Light in air strikes a glass plate at an angle of incidence of 60^{\circ}, one part of the beam being reflected, and the other part being refracted. The reflected and refracted rays make an angle of 90^{\circ} with each other. What is the index of refraction of the glass
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Physics, 22.06.2019 08:30
What properties of a moving object are used in determining the object's energy of motion
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Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 22.06.2019 16:30
Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
Answers: 1
Physics, 22.06.2019 22:00
Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false
Answers: 2
Light in air strikes a glass plate at an angle of incidence of 60^{\circ}, one part of the beam bein...
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