Acathode ray tube is made of glass with a small amount of some kind of gas in it. it has metal electrodes at each end to pick up an electric current. the electrodes are named "positiveā and "negative,ā which were words used by benjamin franklin in the 1700s to describe electricity. a bright ray forms in the gas when an electric current is applied to metal electrodes. in the 1800s, an important scientist suspected that the negatively charged particles in a cathode ray were present in all atoms. what procedure would allow that scientist to investigate this idea
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Physics, 21.06.2019 18:00
What is the magnification of a real image if the image is 10.0 cm from a mirror and the object is 50.0 cm from the mirror ? use the equation m=-di/do. a. -5.0 b. 5.0 c. 0.20 d. -0.20
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Physics, 22.06.2019 04:30
Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?
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Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Acathode ray tube is made of glass with a small amount of some kind of gas in it. it has metal elect...
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