Physics, 14.01.2020 17:31 gracie0818
When light goes from one material into another material having a higher index of refractiona) its speed decreases but its wavelength and frequency both increaseb) its speed, wavelength, and frequency all decreasec) its speed increases, its wavelength decreases, and its frequency stays the samed) its speed decreases but its frequency and wavelength stay the samee) its speed and wavelength decrease, but its frequency stays the same
Answers: 1
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Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ºc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in ×10^{-3} −3 m)
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If element x has 99 protons how many electrons does it have
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In which of the following is positive work done by a person on a suitcase
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Physics, 22.06.2019 18:50
Avertical clean glass piezometer tube has an inside diameter of d = 1 mm and is used to measure pressure in a horizontal pipe carrying water as shown. due to pressure in the pipe, the water at 20c rises into the tube to a height h. if the water pressure in the pipe is p = 500 pa gauge, estimate the height h: (a) without considering surface tension (b) with surface tension (capillary) effects. the contact angle can be assumed at 30 deg
Answers: 2
When light goes from one material into another material having a higher index of refractiona) its sp...
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