Physics, 15.01.2021 20:40 nommies005
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The photoelectric effect is the emission of electrons by certain metals
when they are exposed to
Electromagnetic wave with wavelengths greater than the threshold wavelength.
Electromagnetic wave with wavelengths less than the threshold wavelength.
Electromagnetic wave with any wavelengths.
Electromagnetic wave in visible lights range.
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Which branches of natural science include the study of an organism that lived 10 million years ago
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Physics, 22.06.2019 19:30
Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is
Answers: 2
Physics, 22.06.2019 20:30
We will use a video to study faraday’s law of electromagnetic induction by analyzing the induction that occurs due a coil of copper wire sliding along an air track that passes through an external magnetic field. specifically, we will: examine some of the main principles behind faraday’s law. apply lenz’s law to determine the direction of the induced emf. take measurements of the induced emf from the voltmeter as the coil passes into and out of the external magnetic field. use the horizontal scale provided to determine the speed of the coil. calculate the magnetic field induced in the coil as it passes into and out of the external magnetic field.
Answers: 2
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The photoelectric effect is the emission of electrons by certain m...
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